πανήγυριςpanḗgyris

properly, a national festal assembly in honour of a god; hence, generally, any festal assembly: Hebrews 12:23.

Greek (New Testament) · G3831

Synonyms

ἐκκλησία (see that word), συναγωγή.

Same root

πᾶςpâs · G3956all, any, every, the whole
ἀγοράagorá · G58probably akin to G1453 (ἐγείρω)); properly, the town-square (as a place of public resort); by implication, a market or thoroughfare

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.