THESAURUS
tidy sum
a mass of, a world of, army, batch, bevy, bunch, cloud, clutter, considerable, covey, deal, flight, flock, flocks, gobs, good deal, good sum, great deal, hail, heap, heaps, heaps of gold, hive, host, jam, large amount, large sum, lashings, legion, loads, lot, lots, many, masses of, mess, millions, mint, mint of money, mob, muchness, multitude, nest, numbers, oodles, pack, peck, pile, piles, plurality, pot, potful, power of money, pretty penny, quantities, quite a few, quite a little, raft, rafts, rout, ruck, scads, scores, shoal, sight, slew, slews, spate, stack, stacks, swarm, thousands, throng, wad, wads, whole slew, worlds of