institution

/ɛ̃s.ti.ty.sjɔ̃/
1.
nounfeminine

public body; official organization; established establishment (often governmental or administrative)

Le Sénat est une institution de la République.

The Senate is an institution of the Republic.

Synonyms:organisme, établissement, autorité, service public
2.
nounfeminine

an established tradition, fixture or long-standing custom

Le café du matin, c'est une institution chez nous.

Morning coffee is a real tradition at our place.

Synonyms:tradition, coutume, habitude, rite