75 entries under substantial topic. ×

14
large(adjective, great, big, significant)
14
tidy(adjective, great, reasonable, big, beauty)
13
respectable(adjective, reasonable, big, large)
11
great(adjective, big, significant, large)
10
ample(adjective, great, reasonable, big)
10
big(adjective, great, significant, large)
10
sizable(adjective, great, big, significant)
9
healthy(adjective, person, significant, definite)
8
hefty(adjective, great, big, significant)
7
generous(adjective, great, big, significant)
6
appreciable(adjective, reasonable, significant, large)
5
consequential(adjective, significant, large, considerable)
5
estimable(adjective, significant, definite, considerable)
3
fat(great, big, significant, large)
3
major(adjective, significant, large, generous)
3
massive(adjective, great, big, significant)
3
voluminous(great, big, generous, huge)
2
bountiful(significant, large)
2
extensive(great, big, significant, large)
2
good-sized(significant, definite, generous, considerable)
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APASmart Define. (2016). goodly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/goodly/thesaurus/synonyms
ChicagoSmart Define. 2016. "goodly thesaurus" https://smartdefine.org/goodly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, goodly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/goodly/thesaurus/synonyms>.
MLASmart Define. "goodly thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/goodly/thesaurus/synonyms>