統合をする

You’ll mostly see this in a business or technical context. The grammar is straightforward: [Thing A] と [Thing B] を統合する. If you want to emphasize the action itself, you use 統合をする. It functions as a 'Suru-verb,' which is the Japanese way of turning a noun into an action. You’ll hear it a lot in meetings when someone says, 'We need to integrate these departments.' It sounds sophisticated and decisive. Using it makes you sound like a manager who actually knows where the company's budget is going—even if you're just trying to figure out which remote controls the TV.

Think about your phone. When you sync your Google Contacts with your iPhone, you are performing a type of 統合. Or imagine two giant tech companies like Instagram and Facebook merging their messaging platforms; that is a massive 統合をする project. In a more personal setting, if you and your partner decide to merge your separate calendars into one shared Google Calendar to avoid double-booking dinner dates, you are performing a life-saving 統合. Just make sure you don't 'integrate' your secret 'gaming with friends' time into the 'visit the in-laws' slot by mistake. That’s an integration error no software patch can fix!

Reach for this phrase when you're talking about systems, departments, or data. It’s perfect for a job interview when describing how you 'integrated different workflows' to save time. It’s also the go-to word for IT professionals talking about API integrations or database consolidation. If you’re discussing politics and talking about merging two government agencies, this is the word. It carries a vibe of 'bringing order to chaos.' It’s a B2-level word because it’s precise and slightly formal, making it ideal for professional environments where you want to show off your vocabulary.

Don't use 統合をする for physical mixing. If you’re cooking and mixing flour and water, don’t say you’re 'integrating' them unless you want to sound like a lab scientist who takes baking way too seriously. For cooking, use 混ぜる (mazeru). Also, don't use it for social gatherings. If you’re inviting two different friend groups to a party, you’re 'bringing them together' (集める), not 'integrating' them into a single human entity. That would be a very weird party. It’s also not for simple addition. 1 + 1 = 2 is math, not an integration project.

One big pitfall is confusing 統合 (tōgō) with 統一 (tōitsu). While both mean unification, 統一 is about making everything the same (like a uniform or a standard), whereas 統合 is about combining different parts into a whole.

Learners often use it for simple physical tasks because 'integrate' sounds cool in English, but in Japanese, keep it for systems and organizations.

A close cousin is 合併する (gappei suru), which is specifically used for company mergers. If two banks become one, that’s 合併. Another is 融合する (yūgō suru), which means 'fusion' or 'blending,' often used for art, culture, or flavors. If you’re talking about a cool new 'J-Pop meets Jazz' genre, use 融合. For something more casual, まとめる (matomeru) is great for 'grouping things together' or 'summarizing.' It’s the friendly version you’d use when cleaning your room or organizing your Spotify playlists.

You will often see the noun form 統合 used with other words. システム統合 (system integration) is a classic IT buzzword. 経営統合 (management integration) is what you see in the news when two airlines decide to work together. You might also hear 統合的な (tōgō-teki na), which means 'integrated' or 'comprehensive.' For example, an 統合的なアプローチ is an 'integrated approach' to solving a problem. It’s the kind of phrase that makes people nod their heads in meetings because it sounds like you have a very expensive plan.

Is it too formal for texting? Usually, yes. You wouldn't tell a friend you're 'integrating' your laundry piles. But if you’re texting a coworker about a project, it’s perfect. Is there a slang version? Not really, as it’s a technical term, but you might just use がっちゃんこ (gatchanko) in very casual settings to mean 'clanking things together.' Can I use it for people? Only in a very dry, organizational sense, like merging two teams. Using it for individuals makes you sound like a sci-fi villain trying to create a hive mind. Stick to systems and you'll be fine!