Translation guide
The English verb 'implement' means to put a plan, decision, or system into effect. In Japanese, there is no single perfect equivalent; the best choice depends on what is being implemented and the context.
To carry out or execute a plan, policy, reform, or system, often in formal or organizational contexts.
The most general and common verb for 'implement'. Used for plans, policies, surveys, events, etc. Neutral formality.
Implement a new system.
We will implement the new rules from next month.
Emphasizes actually carrying out or executing a plan, decision, or order. Slightly more action-oriented than 実施する.
Put the plan into action (implement it).
We have a responsibility to implement the decision.
Used specifically for putting laws, ordinances, or regulations into effect. Formal and legalistic.
The new law will be implemented next year.
To introduce and start using a new tool, software, method, or system in practice.
Means 'to introduce' or 'to adopt'. The most natural choice when talking about bringing in a new tool, system, or method.
Implement new software.
The company implemented telework.
Technical term for implementing a feature, algorithm, or specification in software or hardware. Common in IT and engineering.
It takes time to implement this feature.
Means 'to adopt' or 'to incorporate'. Used when bringing in ideas, methods, or practices, often with a sense of actively embracing them.
To fulfill or carry out what was agreed upon or promised.
実施する is the safest general-purpose 'implement' for plans, policies, and events. 実行する emphasizes execution and is often used for decisions or orders. 導入する is specifically for introducing something new, like a system or technology.
There is no single Japanese verb that covers all uses of 'implement'. Using a direct translation like インプリメントする is not natural outside of very specific IT jargon. Choose the verb based on what is being implemented.
Implement new teaching methods.