Antonyms for scatter

noun:

army, most, flock, mass, abundance, loads, excess, REAMS, mountain, much, deal, horde, scads, stack, legion, heap, host, crowd, wealth, slew, gazillion, raft, pile, many, slather, zillion, wad, majority, lot, quantity, oodles, thousands, surplus, plenty, profusion, gobs, plenitude, multitude, peck.

strew, disperse:

hold, maintain, unite, collect, combine, gather, join, save, accumulate, retain, receive, keep.