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

373 entries under verb topic. ×

10
justify(support, hold, help, show)
10
personify(show, character, establish, express)
9
endorse(support, hold, help, show)
9
externalize(show, character, establish, declare)
9
uphold(support, hold, help, show)
9
vouch(support, give, back, sign)
9
warrant(support, show, maintain, determine)
8
actualize(express, idea, realize, prove)
8
document(show, determine, confirm, explain)
8
realize(express, idea, prove, appear)
8
testify(support, show, maintain, back)
7
make good(expression, idiom, support, favor)
7
materialize(character, idea, prove, represent)
7
strengthen(encourage, confirm, powerful, story)
6
assert(support, show, maintain, favor)
6
back up(expression, phrasal verb, support, help)
6
buttress(support, increase, present, establish)
6
check(support, show, determine, back)
6
evidence(noun, support, show, determine)
6
exteriorize(show, character, establish, declare)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>