πανήγυρις G3831
panḗgyris · pan-ay'-goo-ris · Noun Feminine
from πᾶς and a derivative of ἀγορά; a mass-meeting, i.e. (figuratively) universal companionship:--general assembly.
1 Occurrence in the King James Bible
Hebrews 12:23To the general assembly and church of the firstborn, which are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,