Rationality is the measure of whether something makes sense logically, practically, and according to reason.
Word in 30 Seconds
- The degree to which something is logical and sensible.
- Evaluates if a decision or action is well-founded.
- Balances reason, logic, and practical outcomes.
Overview
合理性（hélǐxìng）是一个汉语词语，名词，表示某件事物、观点或行为在逻辑上、情理上或实际操作上是否说得通、站得住脚，是否符合一定的标准或目标。它涉及到判断一个事物是否“有道理”、“合乎情理”、“符合逻辑”或“有效”。一个有合理性的决定通常是经过深思熟虑，并且能够解释其原因的。
“合理性”常用于评价决策、计划、论点、行为、方案等。它可以单独使用，也可以与“考虑”、“缺乏”、“增加”、“质疑”、“证明”等动词搭配。例如，“我们需要考虑这个计划的合理性”、“他的说法缺乏合理性”。在讨论中，人们常常会问“这个决定的合理性在哪里？”或者“请解释一下你这样做的合理性”。
这个词在日常对话、工作会议、学术讨论、法律判决、政策制定等多种场合都会出现。在日常生活中，人们会评价一个消费决定是否合理，或者一个时间安排是否合理。在工作中，会评估一个项目提案的合理性，或者一个管理决策的合理性。在学术领域，会分析一个理论模型的合理性。在法律上，会审查一个证据的合理性。
说服力更侧重于观点或论证能否打动人、使人信服，强调的是感染力和逻辑的严密性。而合理性更侧重于事物本身是否符合逻辑、情理或实际需求，不一定需要打动人，但必须站得住脚。
逻辑性是合理性的一部分，指思维或论证符合逻辑规律。但合理性比逻辑性更宽泛，它还包括了情理、常识、实际效果等因素。一个有逻辑性的论证不一定有合理性（例如，一个基于错误前提的完美逻辑推导），而一个合理的事物可能不完全依赖于严谨的逻辑推导（例如，一个基于经验的良好决策）。
可行性强调的是某事是否能够被实施、能否在实践中操作成功，侧重于技术、资源、条件等方面是否允许。合理性则更侧重于“为什么要做”以及“这样做的道理”，即使某事可行，也未必合理。
Examples
这个价格听起来很合理，但我们需要确认一下它的品质。
everydayThis price sounds reasonable, but we need to confirm its quality.
在做出最终决定前，请务必论证该方案的科学合理性。
formalBefore making the final decision, please be sure to demonstrate the scientific rationality of the plan.
他觉得我周末加班不合理，但我得赚钱养家啊。
informalHe thinks my working overtime on weekends is unreasonable, but I have to earn money to support my family.
该研究报告对实验设计的合理性进行了深入探讨。
academicThe research report delved into the reasonableness of the experimental design.
Common Collocations
Common Phrases
合乎情理
in line with reason and feelings; reasonable
有道理
makes sense; reasonable
不合常理
unreasonable; against common sense
Often Confused With
Feasibility focuses on whether something *can* be done (practicality, resources, technology), while rationality focuses on whether something *should* be done (logic, reason, justification).
Persuasiveness is about convincing others, often through emotional appeal or strong rhetoric. Rationality is about the inherent logic and sensible nature of an idea or action itself, regardless of how convincing it sounds.
Grammar Patterns
How to Use It
Usage Notes
‘合理性’ is a formal noun used in analytical and evaluative contexts. It's important to distinguish it from the adjective ‘合理’ (reasonable). When discussing decisions, plans, or arguments, assessing their ‘合理性’ is key to understanding their validity.
Common Mistakes
Learners might confuse ‘合理性’ (noun) with ‘合理’ (adjective). Ensure you use the noun form when referring to the quality or degree of being reasonable, e.g., '评估方案的合理性' (evaluate the plan's reasonableness). Using ‘合理’ as a noun is incorrect in this context.
Tips
Assess decisions with logic.
When evaluating choices, consider their '合理性' (rationality). Ask if the decision makes sense and is well-justified.
Avoid assuming reasonableness.
Don't assume something is 'reasonable' just because it's common or traditional. Always question and analyze its underlying logic and purpose.
Harmony and Reason.
In Chinese culture, '合理性' often implies not just logical consistency but also alignment with social harmony and ethical considerations, reflecting a holistic approach to decision-making.
Word Origin
The word '合理性' is formed by combining '合理' (reasonable, rational, justified) with the suffix '性' (-ness, -ity), which denotes a quality or characteristic. Thus, it directly translates to the quality or state of being reasonable or rational.
Cultural Context
In Chinese culture, decisions are often evaluated not just on logic but also on their contribution to social harmony and ethical considerations. Therefore, '合理性' can encompass a broader sense of appropriateness beyond pure logic.
Memory Tip
Think of '合理性' as the 'reason-ableness' of something. Does it have good reasons behind it? Is it sensible and logical?
Frequently Asked Questions
4 questions“合理”是一个形容词，用来描述某人或某事符合道理、情理。而“合理性”是一个名词，指的是事物所具有的“合理”的程度或性质。例如，“这个价格很合理”（形容词），“我们需要评估这个方案的合理性”（名词）。
当你需要评价一个决定、计划、说法或行为是否符合逻辑、情理，或者是否能达到预期目标时，就可以使用“合理性”。它常用于分析和判断的语境中。
不一定。“合理性”指的是事物符合道理和情理，不一定是最优的。有时候，一个决定是合理的，但可能存在其他更优的选项。它更多地关注的是“能不能说通”和“有没有道理”。
判断合理性通常需要考虑多个方面：它是否符合逻辑规律？是否符合普遍的道德或情理？是否符合实际情况和目标？是否有充分的证据或理由支持？综合这些因素，才能做出判断。
Test Yourself
我们需要仔细考虑这个项目的______，确保它符合公司的长远发展目标。
这里强调的是项目是否符合逻辑、情理以及是否能达到预期目标，因此“合理性”最合适。
下列哪个选项最能体现“合理性”的含义？
“合理性”的核心在于事物是否“有道理”，这包括逻辑上的严谨、情理上的通达以及能够被解释的原因。
请用“合理性”和“质疑”组成一个句子。
这个句子结构完整，逻辑清晰，准确地表达了“质疑某事物的合理性”这一含义。
Score: /3
Summary
Rationality is the measure of whether something makes sense logically, practically, and according to reason.
- The degree to which something is logical and sensible.
- Evaluates if a decision or action is well-founded.
- Balances reason, logic, and practical outcomes.
Assess decisions with logic.
When evaluating choices, consider their '合理性' (rationality). Ask if the decision makes sense and is well-justified.
Avoid assuming reasonableness.
Don't assume something is 'reasonable' just because it's common or traditional. Always question and analyze its underlying logic and purpose.
Harmony and Reason.
In Chinese culture, '合理性' often implies not just logical consistency but also alignment with social harmony and ethical considerations, reflecting a holistic approach to decision-making.
Examples
4 of 4这个价格听起来很合理，但我们需要确认一下它的品质。
This price sounds reasonable, but we need to confirm its quality.
在做出最终决定前，请务必论证该方案的科学合理性。
Before making the final decision, please be sure to demonstrate the scientific rationality of the plan.
他觉得我周末加班不合理，但我得赚钱养家啊。
He thinks my working overtime on weekends is unreasonable, but I have to earn money to support my family.
该研究报告对实验设计的合理性进行了深入探讨。
The research report delved into the reasonableness of the experimental design.
Related Content
This Word in Other Languages
More academic words
缺席
B1The state of being absent from a place or event where one is expected to be, such as a class, meeting, or ceremony.
抽象的
A2Abstract.
抽象地
B1In an abstract manner; conceptually.
艰深
B1Profound; abstruse; recondite.
学术性
A2Academic; scholarly; relating to education and scholarship.
学术化
B1Academic; characterized by formal study or research.
学术会议
A2Academic conference; a formal meeting for academic discussions.
学术交流
B1Exchange of ideas, information, and research among scholars.
学术期刊
B1A periodical publication containing scholarly articles.
教务处
A2Academic affairs office; department handling educational administration.
