institution

n. institute, organization; place where people are confined and treated (i.e. prison or mental hospital); custom, convention; law or activity which is accepted in a society; act of instituting

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Noun
1. an organization founded and united for a specific purpose
(synonym) establishment
(hypernym) organization, organisation
(hyponym) medical institution
2. an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
(hypernym) establishment
(hyponym) home, nursing home, rest home
3. 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"
(hypernym) custom, tradition
(hyponym) levirate
4. 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"
(synonym) initiation, founding, foundation, origination, creation, innovation, introduction, instauration
(hypernym) beginning, start, commencement
(hyponym) authorship, paternity
(derivation) establish, found, plant, constitute, institute
5. a hospital for mentally incompetent or unbalanced person
(synonym) mental hospital, psychiatric hospital, mental institution, mental home, insane asylum, asylum
(hypernym) hospital, infirmary
(hyponym) Bedlam, booby hatch, crazy house, cuckoo's nest, funny farm, funny house, loony bin, madhouse, nut house, nuthouse, sanatorium, snake pit
(derivation) commit, institutionalize, institutionalise, send, charge

nf. institution, organization, establishment, foundation, organization which provides a certain service or supports a particular cause

nf. institution, establishment