n.1 the act or an instance of establishing; the process of being established.
2 a a business organization or public institution. b a place of business. c a residence.
3 a the staff or equipment of an organization. b a household.
4 any organized body permanently maintained for a purpose.
5 a Church system organized by law.
6 (the Establishment) a the group in a society exercising authority or influence, and seen as resisting change. b any influential or controlling group (the literary Establishment).