The Oxford Thesaurus An A-Z Dictionary of Synonyms - group n.

1) assembly, assemblage, gathering, congregation, company, number, alliance, union, association, organization, league, society, coterie, clique, set, band, circle, club, party, body, faction, crowd, team, corps, guild, troupe, unit, troop, platoon, squad, gang: A group of revolutionaries meets nightly in a basement in Krakowskaya Street. 2) batch, aggregation, set, grouping, collection, assemblage, bunch, accumulation, conglomeration, agglomeration, assortment, series; pile, heap, bundle: The entire group of abstract paintings was auctioned at double their estimated value. --v. 3) classify, class, sort, bracket, organize, order, rank, assort, categorize, catalogue: Books are grouped according to subject. 4) collect, assemble, arrange, place, dispose, gather, organize, bring or put together, set apart: Group oversized books together on the lowest shelves.