Assembly-of-the-notables

(def 5).
worthy of note or notice; noteworthy:
a notable success; a notable theory.
prominent, important, or distinguished:
many notable artists.
archaic. capable, thrifty, and industrious.
a prominent, distinguished, or important person.
(usually initial capital letter) french history.

one of a number of prominent men, usually of the aristocracy, called by the king on extraordinary occasions.
notables, also called -ssembly of the notables. an -ssembly of high-ranking n-bles, ecclesiastics, and state functionaries having deliberative but not legislative or administrative powers, convoked by the king princ-p-lly in 1554, 1786, and 1788, in the lattermost year to establish the manner for selecting the states-general.

obsolete. a notable fact or thing.
adjective
worthy of being noted or remembered; remarkable; distinguished
noun
a notable person
adj.

mid-14c., from old french notable “well-known, notable, remarkable” (13c.) and directly from latin notabilis “noteworthy, extraordinary,” from notare “to note” (see note (v.)). the noun meaning “a person of distinction” is first recorded 1815. related: notably; notableness.