aggregation

accumulate, assemble, collect

group, grouping

agglomerate, agglomeration, air power, ana, armamentarium, art collection, asia, assortment, aviation, backlog, batch, battery, biology, biota, block, book, botany, bottle collection, bunch, bundle, caboodle, category, central america, class, clutch, coin collecting, coin collection, collage, collation, combination, compilation, compiling, conchology, congregation, content, contents, convoy, corpus, crop, cumulation, cumulus, data, deal, defence, defense, defense lawyers, defense team, ensemble, europe, exhibition, expo, exposition, extragalactic nebula, family, fauna, findings, flagging, fleet, flinders, flora, free world, gaap, galaxy, gather, gathering, generally accepted accounting principles, gimmickry, hand, heap, herbarium, hit parade, information, job lot, judaica, jurisprudence, kludge, law, library, long suit, lot, mail, mass, menagerie, miscellanea, miscellany, mixed bag, mixture, motley, mound, mythology, north america, nuclear club, numismatics, numismatology, oort cloud, pack, package, packet, pantheon, parcel, petting zoo, pharmacopoeia, philately, pickup, pile, planting, population, post, potpourri, procession, program library, prosecution, repertoire, repertory, rogue's gallery, rule book, salmagundi, set, shell collecting, signage, smithereens, smorgasbord, south america, stamp collecting, stamp collection, statuary, string, subroutine library, sum, sum total, summation, tax collection, tenantry, third world, tout ensemble, traffic, treasure, treasure trove, trinketry, troponomy, troponymy, universe, variety, vegetation, victoriana, wardrobe, zoology