Synonyms of considerable

1 Syllable
huge, great, big, much
2 Syllables
marked, bigger, heavy, mucho, hefty, lavish, anier, telling, big-deal, biggest, major, umpteen, umteen, tidy, two-ton, goodly, heaviest, pointful, ample, heavier, pretty, greatest, buller
3 Syllables
important, sizeable, several, sizable, commodious, ginormous, plentiful, momentous, bigtime, substantial, bountiful, meaningful, heavyweight
4 Syllables
noticeable, astronomic, respectable, reasonable, large-scale, appreciable, extensive, comfortable, consequential, tolerable, innumerous
5 Syllables
unexclusive, astronomical, applicative, multitudinous