(slang) The establishment: the ruling class or authority group in a society; especially, an entrenched authority dedicated to preserving the status quo. Sometimes capitalized: the Establishment.
“Because of its roots in the established Church of England, the Episcopal Church has long sought to play an establishmentarian role in the United States.”
“He is rangy and square-jawed, and he has exquisite establishmentarian credentials, to say nothing of a vast pile of money.”
“It has been, for Dobbs, a Kafka-like metamorphosis from WASPy establishmentarian to angry-populist cockroach.”
“Habermas, in Bronner's view, seeks escape from relativism yet becomes mired in liberal establishmentarianism.”
“Those who see Australia as a secular country can point to section s116 of the Commonwealth of Australia Constitution Act 1900 which proscribes establishmentarianism.”
“Francis Ford dominates the book as the establisher of the family business and the senior member whose long and illustrious history of films is documented.”
“One uncle was the saintly and ingenious Ronnie Knox, Evelyn Waugh's friend, Macmillan's tutor and the establisher of the rules of detective fiction, among other distinctions.”
“The wonderful Bank, of which he was the chief projector, establisher, and manager, was the latest of the many Merdle wonders.”