also: イスタブリッシュメント · エスタブリシュメント
establishment; institution; organization
Refers to a business, institution, or organization, especially one that is well-established or influential.
That hotel is a long-established establishment.
the Establishment; the ruling elite
Refers to the dominant social, political, or economic elite, often with a connotation of entrenched power.
He is a young politician challenging the Establishment.