66 entries under substantial topic. ×

19
goodly(adjective, great, reasonable, big, beauty)
14
respectable(adjective, good, great, right, reasonable)
11
considerable(adjective, great, reasonable, big)
11
large(adjective, great, big, significant)
11
sizeable(adjective, significant, large)
10
ample(adjective, great, reasonable, quantity)
10
fair(adjective, good, reasonable, decent)
10
sizable(adjective, great, reasonable, big)
9
good(adjective, correct, fair, big)
9
big(adjective, great, big, significant)
9
tolerable(adjective, good, significant, large)
8
generous(adjective, great, big, significant)
7
decent(adjective, good, great, right, fine)
7
great(adjective, big, significant, large)
6
hefty(adjective, great, big, significant)
6
significant(adjective, large, considerable)
5
large-scale(adjective, big, significant, large)
3
appreciable(adjective, reasonable, significant, large)
3
extensive(adjective, great, big, significant)
3
major(adjective, significant, large, generous)
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APASmart Define. (2015). tidy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tidy/thesaurus/synonyms
ChicagoSmart Define. 2015. "tidy thesaurus" https://smartdefine.org/tidy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tidy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tidy/thesaurus/synonyms>.
MLASmart Define. "tidy thesaurus" 11 November 2015. Web. 25 September 2026. <https://smartdefine.org/tidy/thesaurus/synonyms>