assembling, aggregation, ingathering, assemblage, accumulation, compendium, solicitation, appeal, collecting, compilation, more...

dispersal, distribution, scattering, separation, disbursement

stamp collection, coin collection, art collection, book collection, antique collection, rock collection, seashell collection, more...

private, large, growing, small, extensive, fine, complete, valuable, whole, entire, vast

set of,   a group of,   usher's offering,   a set,   an array of,   a set of,   group of things,   a set of things,   a bunch of things,   grouping of items