Synonyms for Ample:

adj.

bosomy (adjective)
buxom.
generous (adjective)
plenitudinous, plenteous.
large (adjective)
vast, extensive, comprehensive, immense, spacious, great, magnificent, lofty, sizable, mammoth, giant, large, prodigious, voluminous, awesome, humongous, capacious, towering, tremendous, expansive, elephantine, colossal, majestic, soaring, grandiose, generous, grand, baggy, princely, cavernous, massive, huge, big, gargantuan, copious, impressive, roomy, bulky, gigantic, enormous.
more than necessary, sufficient (adjective)
full, copious, roomy, great, rich, generous, plenteous, capacious, wide, substantial, heavy, spacious, plentiful, expansive, large, bounteous, extensive, bountiful, big, abundant, voluminous, plenty, enough.
numerous (adjective)
legion, bounteous, abundant, crowded, countless, numerous, Thronging, plenty, multitudinous, many, swarming.
sufficient (adjective)
plenteous, satisfactory, bountiful, plentiful, adequate, prosperous, abundant, enough, sufficient.

n.

just enough, I'm all set, go around. study at. tighten. heavy, plenitudinous, give, substantial. ample (noun)
good, sizable, wide-cut, big, sizeable, plentiful, copious, rich, generous, large, full, plenteous, wide, abundant.
fat (noun)
obese, buxom, overweight, stout, chubby, plump, tubby.

Other synonyms:

plenitudinous. go around. adequate
good.
considerable
substantial.
fat
obese, buxom, overweight, stout, chubby, plump, tubby.
weighty
heavy.

Usage examples for ample

  1. The brief stay in the ample twilight of the hillside had given him a faint, momentary courage to appeal again to her against the narrow brightness of her prison. – Hillsboro People by Dorothy Canfield
  2. Monsieur will have ample opportunity to regret his interference in the affairs of others. – The Return of Tarzan by Edgar Rice Burroughs
  3. But here was ample food for reflection. – The-Brick-Moon-and-Other-Stories by Hale, Edward Everett