[noun] an organization founded and united for a specific purpose Synonyms:establishment
[noun] an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
[noun] a custom that for a long time has been an important feature of some group or society; "the institution of marriage"; "the institution of slavery"; "he had become an institution in the theater"
[noun] the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society"; "he regards the fork as a modern introduction" Synonyms:initiation, founding, foundation, origination, creation, innovation, introduction, instauration