Institute means to establish or start something formal and important, especially a new system, rule, or practice. When a school institutes a new policy about homework, it is officially putting it into place. When a government institutes reforms, it is making those changes official and putting them into action.

The word carries a sense of deliberate organization and authority. You wouldn't say someone institutes a joke or institutes a nap. Instead, you institute things that require structure and commitment: a company might institute safety procedures, or a coach might institute a new training regimen.

Institute is also a noun meaning an organization dedicated to a particular purpose, especially education or research. A technical institute teaches specialized skills. An institute brings together people working toward shared goals, such as advancing knowledge, training professionals, or solving difficult problems.

When you see the word institute, think of something being formally created and organized to last. It suggests careful planning rather than casual beginnings. Whether it's instituting new classroom rules or attending a research institute, the word signals structure, purpose, and official standing.