Synonyms|947Antonyms|6|Broader|7Narrower|0Related|131

84 entries under substantiate topic. ×

1
affirm(verb, support, back, sign, uphold)
1
alibi(verb, support, favor, sustain, confirm)
1
answer for(verb, expression, phrasal verb, support, fix)
1
apologize for(expression, support, favor, legitimize)
1
argue for(verb, expression, phrasal verb, support, favor)
1
assert(support, defend, explain, validate)
1
attest(verb, support, back, sign, uphold)
1
authenticate(verb, support, back, sign, explain)
1
back(verb, support, sign, uphold, prove)
1
be answerable for(verb, support, favor, sustain, confirm)
1
bless(verb, support, back, sign, uphold)
1
brief(verb, support, favor, sustain, confirm)
1
buy(verb, support, back, sign, uphold)
1
certify(verb, prove, verify, validate)
1
check(verb, support, back, uphold, explain)
1
check out(expression, prove, verify, validate)
1
claim(support, favor, defend, explain)
1
clear(verb, support, complete, favor, restore)
1
condone(verb, support, favor, sustain, confirm)
1
contend(support, favor, defend, explain)
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APASmart Define. (2015). make good thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/make_good/thesaurus/synonyms
ChicagoSmart Define. 2015. "make good thesaurus" https://smartdefine.org/make_good/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, make good thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/make_good/thesaurus/synonyms>.
MLASmart Define. "make good thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/make_good/thesaurus/synonyms>