gathering vs social occasion

Other hyponyms of gathering include affair, function, occasion, social affair, social function, social gathering, carload, contingent, floor, pair, room, threesome, triad, trinity, trio, turnout, foursome, quartet, quartette, fivesome, quintet, quintette, sextet, sextette, sixsome, septet, septette, sevensome, eightsome, octet, octette, assembly, crowd, concourse, multitude, throng, company, audience, community, municipality, cast, cast of characters, dramatis personae, class, course, form, grade, class, year, bunch, crew, crowd, gang, covey, quorum, commune, convocation, bevy, cortege, entourage, retinue, suite, camp, muster, rap group, rave-up, table.