~에 근거하여

The Korean expression ~에 근거하여 is a sophisticated and essential grammatical structure used to indicate that a statement, decision, or action is firmly rooted in a specific set of facts, evidence, or principles. At its core, it is the linguistic equivalent of the English phrases "based on," "grounded in," or "on the basis of." However, it carries a weight of formality and logical rigor that often makes it the preferred choice in professional, academic, and legal contexts. To understand this phrase deeply, one must first look at the noun 근거 (根據). The first character, 근 (根), means "root," while the second, 거 (據), means "to rely upon" or "position." Together, they form the concept of a "foundation" or "grounding." When you append ~에 근거하여 to a noun, you are literally saying that your following point is taking root in and relying upon that noun as its source of truth. This is not just about giving a reason; it is about providing a verifiable justification. In the hierarchy of Korean causal expressions, while ~때문에 (because of) is used for simple cause-and-effect and ~을 바탕으로 (based on/using as a base) is used for creative or constructive foundations, ~에 근거하여 is reserved for logical deductions and authoritative citations.

Core Meaning

Establishing a logical foundation where Noun A provides the evidence for Statement B.

Grammatical Function

An adverbial phrase that modifies the following verb or the entire clause to show justification.

Formality Level

High. Primarily used in written reports, news, legal documents, and formal presentations.

In a society like South Korea, where precision and hierarchical clarity are valued in professional settings, using ~에 근거하여 signals that the speaker is objective and thorough. It moves the conversation away from subjective feelings ("I think...") toward objective reality ("The data shows..."). For example, a judge doesn't just make a ruling; they make a ruling 법률에 근거하여 (based on the law). A scientist doesn't just propose a theory; they propose it 실험 결과에 근거하여 (based on experimental results). For an English speaker learning Korean, mastering this phrase is a significant step toward moving from conversational fluency to professional proficiency. It allows you to participate in debates, write formal emails, and understand news broadcasts where the source of information is paramount. While you might hear the shortened form ~에 근거해 in slightly less formal spoken contexts, the full version ~에 근거하여 remains the gold standard for formal documentation. It is the language of accountability. If you say something is ~에 근거하여, you are prepared to show your work and prove your sources.

When you use this expression, the noun that precedes it is usually something concrete like 데이터 (data), 증거 (evidence), 경험 (experience), or 규정 (regulations). It is rarely used with vague or emotional nouns. You wouldn't typically say "based on my mood" using this phrase unless you were being intentionally ironic or extremely clinical about your emotions. This specificity is what gives the phrase its power. It acts as a logical anchor, ensuring that the listener understands exactly where your reasoning begins. As you advance in your Korean studies, you will notice that this phrase often appears in the introductory sections of essays or the concluding remarks of a persuasive speech, serving as the skeletal structure of a well-formed argument.

Using ~에 근거하여 correctly requires understanding its grammatical placement and the type of nouns it pairs with. Structurally, it follows the pattern: [Noun] + 에 근거하여 + [Action/Conclusion]. The noun represents the source or foundation. Because 하여 is the formal, literary form of the verb 하다 (to do), the entire phrase functions as an adverbial modifier. It tells us how or why the following action is being performed. In spoken Korean, you will frequently encounter the contracted version ~에 근거해, which is slightly more natural for verbal communication but still maintains a professional tone. If you want to use it as an adjective to modify a noun directly, you would use the form ~에 근거한 (e.g., 사실에 근거한 이야기 - a story based on facts).

Standard Adverbial Use

Noun + 에 근거하여 + Verb. (e.g., 통계에 근거하여 판단하다 - To judge based on statistics.)

Adjectival Modification

Noun + 에 근거한 + Noun. (e.g., 증거에 근거한 추론 - An inference based on evidence.)

Contracted Spoken Form

Noun + 에 근거해. (Used in meetings, lectures, or serious discussions.)

One key aspect of using this phrase is ensuring that the noun used is an appropriate "basis." In Korean, if you are talking about a physical foundation or a creative inspiration, you might use ~을/를 토대로 or ~을/를 바탕으로. However, if you are referring to a logical justification, a legal rule, or empirical data, ~에 근거하여 is the most precise choice. For example, when discussing a movie "based on a true story," you could say 실화에 근거한 영화. This implies a high degree of factual accuracy. If you used 바탕으로, it might imply that the true story was just a starting point for a lot of fictionalized elements. Thus, choosing ~에 근거하여 adds a layer of "truth-claiming" to your sentence. It is very common in academic writing to see sentences start with 본 연구는... 에 근거하여... (This study, based on..., ...). This sets the stage for a rigorous intellectual inquiry.

When constructing your own sentences, think of ~에 근거하여 as the answer to the question "On what grounds?" If you are making a claim in a Korean class or a business meeting, using this phrase will immediately make your argument sound more persuasive and well-researched. For instance, instead of saying "I think we should change the design," you could say, "Based on the users' feedback (사용자들의 피드백에 근거하여), I suggest we change the design." This shifts the focus from your personal opinion to the objective feedback, which is a key communication strategy in Korean professional culture. It also helps in organizing complex thoughts; by stating the basis first, you provide a clear roadmap for your listeners to follow your logic. Mastery of this pattern is a hallmark of the CEFR A2/B1 transition, where learners move from simple descriptions to logical explanations.

You will encounter ~에 근거하여 in several specific domains of Korean life. First and foremost is the world of news and journalism. News anchors and reporters use this phrase constantly to attribute their information to specific sources. When reporting on government policy, economic trends, or criminal investigations, they must avoid appearing biased. By saying "According to/Based on the government's announcement" (정부의 발표에 근거하여), they maintain journalistic neutrality. You will hear it in almost every evening news broadcast in Korea. Similarly, in legal and administrative settings, this phrase is the backbone of communication. If you ever have to visit a Korean government office or read an official notice, you will see it used to explain why certain rules are being enforced. For example, an announcement might say, "Based on Article 5 of the Safety Act..." (안전법 제5조에 근거하여...). It provides the legal authority for the state's actions.

The Newsroom

Reporters citing data or official statements to maintain objectivity and credibility.

Academic Lectures

Professors explaining theories based on historical texts or scientific research.

Corporate Meetings

Managers justifying budget cuts or new project launches based on market analysis.

In the academic world, from high school essays to PhD dissertations, ~에 근거하여 is ubiquitous. Students are taught from a young age that a good argument must be grounded in evidence. In a university lecture, a professor might say, "Based on the theory we learned last week..." (지난주에 배운 이론에 근거하여...). This helps students connect new information to existing knowledge. In the business environment, particularly in South Korea's highly structured corporate culture (often referred to as 'K-Company' culture), decisions are rarely made on a whim. Presentations are expected to be data-driven. A team leader might present a proposal saying it was developed "based on last quarter's sales performance" (지난 분기 매출 실적에 근거하여). Using this phrase in a meeting shows that you have done your homework and are respecting the company's logical processes.

Even in formal social situations, such as a wedding speech or an award ceremony, a speaker might use this phrase to add a touch of gravity and sincerity. For instance, "Based on the many years I have known the groom..." (신랑을 오랫동안 지켜본 경험에 근거하여...). It elevates the sentiment from a simple greeting to a heartfelt testimonial. In essence, whenever there is a need to bridge the gap between a premise and a conclusion with a high degree of certainty and formality, ~에 근거하여 is the linguistic tool of choice. For a learner, hearing this word is a signal to pay close attention, as what follows is likely the core justification for everything being discussed. It is a marker of intellectual honesty and professional competence in the Korean-speaking world.

While ~에 근거하여 is a powerful tool, it is also a source of common errors for learners, primarily due to its formality and specific semantic range. The most frequent mistake is using it in overly casual situations. Because the phrase is quite heavy and formal, using it with friends or family while talking about mundane things can sound strange or even sarcastic. For example, saying "I decided to eat pizza based on my hunger" using ~에 근거하여 would sound like you are reading a scientific paper about your stomach. In casual speech, ~니까 (because) or ~어서 (so) are much more appropriate. Another common error is confusing it with similar expressions like ~을/를 바탕으로 or ~에 따라. While they all translate roughly to "based on," their nuances differ significantly. ~을 바탕으로 implies that the noun is a foundation for growth or creation, whereas ~에 근거하여 implies it is a logical proof.

Mistake 1: Register Mismatch

Using it in casual conversations (e.g., with friends) where simpler causal markers are expected.

Mistake 2: Particle Confusion

Using the wrong particle before '근거'. It must be '~에 근거하여', not '~을 근거하여' (though the latter is sometimes used, it is less standard).

Mistake 3: Semantic Overlap

Confusing it with '~에 따라' (according to/following), which implies following a sequence or rule rather than providing a logical basis.

A third common pitfall is the misuse of the adjectival form. Learners often forget that when modifying a noun, they must change 하여 to 한. For example, "a decision based on facts" should be 사실에 근거한 결정, not 사실에 근거하여 결정. The latter would require a verb to follow it. Additionally, some learners struggle with the Hanja-based nature of the word. Since 근거 is a Sino-Korean word, it pairs best with other Sino-Korean nouns. Pairing it with very modern or English loanwords can sometimes feel slightly clunky, although this is becoming more common in technical fields (e.g., 로그 데이터에 근거하여 - based on log data). To avoid these mistakes, always ask yourself: "Am I trying to prove something logically?" and "Is this a formal setting?" If the answer to both is yes, then ~에 근거하여 is likely the correct choice.

Finally, avoid redundancy. Since 근거하여 already implies a logical reason, you don't need to add other causal markers like ~때문에 in the same clause. For instance, 사실에 근거하여 결정했기 때문에... (Because I decided based on facts...) is fine, but 사실에 근거한 이유 때문에... (Because of the reason based on facts...) is repetitive. Keep your sentences lean. The phrase ~에 근거하여 is strong enough to stand on its own as the primary justification for your statement. By paying attention to these nuances—register, grammar, and semantic precision—you can avoid the common traps that make non-native speech sound awkward and instead project an image of a clear, logical, and highly competent Korean speaker.

In Korean, there are several expressions that overlap with ~에 근거하여, and choosing the right one is key to sounding natural. The most common alternative is ~을/를 바탕으로. While both mean "based on," 바탕 refers to a foundation, like the soil for a plant or the canvas for a painting. It is used when something is built up or created from a starting point. For example, a movie based on a novel is 소설을 바탕으로 한 영화. In contrast, ~에 근거하여 is used for logical proof. If you say a movie is 소설에 근거한 영화, it sounds like you are verifying the movie's historical accuracy against the novel. Another close relative is ~을/를 토대로. 토대 (foundation/base) is very similar to 바탕 but feels slightly more formal and is often used in business or academic contexts to describe the starting point of a project or theory.

~을/를 바탕으로 (Foundation)

Used for creation, growth, or inspiration. (e.g., 경험을 바탕으로 쓴 소설 - A novel written based on experience.)

~을/를 토대로 (Base/Groundwork)

Used for building systems, theories, or projects. (e.g., 조사를 토대로 계획을 세우다 - To plan based on a survey.)

~에 따라 (According to)

Used for following rules, instructions, or changing trends. (e.g., 규칙에 따라 행동하다 - To act according to the rules.)

Then there is ~에 의거하여 (依據), which is the "big brother" of ~에 근거하여. It is even more formal and is almost exclusively used in legal, military, or highly official government documents. If ~에 근거하여 is "based on," ~에 의거하여 is "pursuant to" or "in accordance with the authority of." You will see this in the Korean Constitution or in formal military orders. For most learners, ~에 근거하여 is the most useful high-level phrase, while ~에 의거하여 is something you only need to recognize when reading formal texts. Another useful phrase is ~에 비추어 (in light of). This is used when you are evaluating something by comparing it to a standard or a past example. For instance, "In light of past precedents..." (과거의 사례에 비추어...). It suggests a reflective comparison rather than a direct logical deduction.

Finally, for everyday casual use, Koreans simply use ~보고 (looking at) or ~보니까 (since I saw). For example, "Looking at the weather, it seems it will rain" (날씨를 보니 비가 올 것 같아요). This is the natural, non-academic way to express a basis for a conclusion in daily life. Understanding this spectrum of "based on" expressions—from the casual ~보니 to the logical ~에 근거하여 and the legal ~에 의거하여—is a key part of developing a nuanced command of the Korean language. It allows you to adjust your tone perfectly to the situation, ensuring that you are always understood exactly as you intend, whether you are chatting with a friend or presenting a formal report at work.