WordNet sense 1 ((often followed by `of') a large number or amount or extent):

batch, deal, flock, heap, lot, mess, mint, peck, pile, plenty, pot, raft, sight, slew, spate, stack, wad, hatful, mickle, muckle, good deal, great deal, quite a little, tidy sum, whole lot, whole slew

WordNet sense 2 (the common people generally):

hoi polloi, masses, multitude, people, the great unwashed

WordNet sense 3 (the property of something that is great in magnitude):

bulk, volume

WordNet sense 4 (gathered or tending to gather into a mass or whole):

aggregate, aggregated, aggregative, aggregate

WordNet sense 5 (forming a whole or aggregate):

collective