[noun] the act of forming something; "the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club" Synonyms:constitution, formation, organization, organisation
[noun] an organization founded and united for a specific purpose Synonyms:institution
[noun] the persons (or committees or departments etc.) who make up a body for the purpose of administering something; "he claims that the present administration is corrupt"; "the governance of an association is responsible to its members"; "he quickly became recognized as a member of the establishment" Synonyms:administration, governance, governing body, brass, organization, organisation
[noun] a public or private structure (business or governmental or educational) including buildings and equipment for business or residence
[noun] any large organization
[noun] (ecology) the process by which a plant or animal becomes established in a new habitat Synonyms:ecesis
[noun] the cognitive process of establishing a valid proof Synonyms:validation