107 entries under considerable topic. ×

6
capacious(adjective, great, substantial, large, extensive)
6
huge(adjective, great, big, full, significant)
5
comprehensive(adjective, great, big, substantial, large)
4
boundless(open, big, large, grand, huge)
4
generous(adjective, great, fair, big, important)
4
gross(adjective, great, big, substantial, large)
4
impressive(adjective, large)
4
largish(adjective, big, large)
4
plentiful(adjective, great, big, significant, substantial)
4
roomy(adjective, great, space, large, huge)
4
sensible(adjective, reasonable, substantial, large, generous)
4
significant(adjective, substantial, definite, large)
4
sound(adjective, strong, solid, big, important)
3
jumbo(adjective, great, big, substantial, large)
3
long(adjective, big, large, grand, size)
3
measurable(adjective, significant, substantial, definite, size)
2
decent(adjective, large)
2
full(adjective, great, big, enthusiastic, vigorous)
2
husky(adjective, large)
2
ponderous(adjective, large)
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APASmart Define. (2016). sizable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sizable/thesaurus/synonyms
ChicagoSmart Define. 2016. "sizable thesaurus" https://smartdefine.org/sizable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sizable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sizable/thesaurus/synonyms>.
MLASmart Define. "sizable thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sizable/thesaurus/synonyms>