an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
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"
an organization founded and united for a specific purpose
(law) a judicial remedy issued in order to prohibit a party from doing or continuing to do a certain activity; "injunction were formerly obtained by writ but now by a judicial order"