Definition of plentifulness:
mickle, flock, good deal, batch, great deal, passel, mass, sight, lot, mess, raft, mountain, pot, peck, slew, hatful, plentitude, quite a little, plenteousness, spate, muckle, plenitude, pile, wad, heap, tidy sum, mint, deal, plenty, stack.
- productiveness (part of speech: noun)
- sufficiency (part of speech: noun)
- prosperity (part of speech: noun)