A custom or practice of a society or community. / A long established and respected organization, particularly one involved with education, public service, or charity work.

Of, pertaining to, characteristic of, or organized along the lines of an institution. / Instituted by authority. / Elementary; rudimentary. / Arising from the practice of an institution.

In a way that conforms to an institution.

plural of instituter

A person who institutes something

(transitive) To begin or initiate (something); to found. / (obsolete, transitive) To train, instruct. / To nominate; to appoint.

An organization founded to promote a cause / An institution of learning; a college, especially for technical subjects / The building housing such an institution

(obsolete) Established; organized; founded.

plural of institution

simple past tense and past participle of institute