Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

373 entries under verb topic. ×

3
hold(help, establish, back, approve)
3
illustrate(show, complete, character, establish)
3
incorporate(complete, express, realize, represent)
3
keep
3
subscribe(support, back, sign, explain)
2
asseverate(support, maintain, back, declare)
2
avouch
2
bear witness(expression, show, confirm, prove)
2
betoken(state, show, prove, appear)
2
complete(express, idea, realize, prove)
2
connote(show, prove, demonstrate, evince)
2
contend(support, maintain, favor, back)
2
debunk(support, back, sign, idea)
2
depose
2
detail
2
double-check(support, back, confirm, explain)
2
earn
2
endure
2
excuse(noun, support, maintain, favor)
2
exemplify(complete, character, express, realize)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>