noun, noun which may take the genitive case particle 'no'
the establishment; the powers that be
Refers to the existing power structure, mainstream authorities, or institutional side, often in contrast with reformers, outsiders, or the general public.
He was criticized as someone on the side of the establishment.
体制側の意見ばかりが通るのは問題だ。
It's a problem that only the establishment's opinions get through.