<p><strong>Noun</strong></p><ul><li>an organization, establishment, foundation, society, or the like, devoted to the promotion of a particular cause or program, especially one of a public, educational, or charitable character.</li><li>the building occupied by such an establishment.</li><li>a public or private place for the care or confinement of inmates, especially mental patients or other persons with physical or mental disabilities.</li><li>a well-established and structured pattern of behavior or of relationships that is accepted as a fundamental part of a culture, as marriage: the institution of the family.</li><li>any established law, custom, etc.</li><li>any familiar, long-established person, thing, or practice; fixture.</li><li>the act of instituting or setting up; establishment: the institution of laws.</li><li>the origination of the Eucharist, and enactment of its observance, by Christ.</li><li>the investment of a member of the clergy with a spiritual charge.</li></ul>