Synonyms|696Antonyms|160|Broader|16Narrower|19Related|488

88 entries under substantiate topic. ×

2
explain(verb, support, show, determine, back)
2
give high sign(expression, idiom, support, back, sign)
2
give stamp of approval(expression, idiom, support, back, sign)
2
give the nod(expression, idiom, support, back, sign)
2
make good(verb, expression, idiom, support, back)
2
make legal(verb, expression, endorse, prove, verify)
2
rubber-stamp(verb, support, state, maintain, back)
2
settle(verb, support, show, determine, back)
1
John Hancock(expression, endorse, prove, verify)
1
add up(verb, expression, show, determine, confirm)
1
authorize(verb, state, make, base, approve)
1
bless(verb, support, back, sign, approve)
1
buy(verb, support, back, sign, uphold)
1
check up(verb, expression, phrasal verb, idea, confirm)
1
constitute(endorse, prove, verify)
1
declare true(verb, expression, story, verify)
1
double-check(verb, support, back, confirm, uphold)
1
fix(verb, show, determine, confirm, explain)
1
give green light(expression, idiom, support, back, sign)
1
give nod(verb, expression, story, verify)
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APASmart Define. (2015). corroborate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>