Synonyms to ad hoc committee

committee, assemblee, assembly, assignation, at home, ball, board, body, brawl, cabinet, caucus, colloquium, commission, committee of one, conclave, concourse, congregation, congress, conventicle, convention, convocation, council, dance, date, delegation, deputation, diet, eisteddfod, festivity, fete, forgathering, forum, gathering, get-together, housewarming, levee, meet, meeting, mission, panel, party, plenum, prom, quorum, rally, reception, rendezvous, seance, session, shindig, sit-in, sitting, soiree, special committee, standing committee, subcommittee, symposium, synod, turnout