gathering
1 assemblage, assembly, company, conclave, concourse, congregation, congress, convention, convocation, crowd, flock, get-together (informal) group, knot, meeting, muster, party, rally, throng, turnout
2 accumulation, acquisition, aggregate, collecting, collection, concentration, gain, heap, hoard, mass, pile, procuring, roundup, stock, stockpile
3 (informal) abscess, boil, carbuncle, pimple, pustule, sore, spot, tumour, ulcer