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

88 entries under substantiate topic. ×

1
give the go-ahead(expression, idiom, support, back, sign)
1
give the green light(expression, idiom, endorse, prove, verify)
1
lap up(expression, support, back, sign, uphold)
1
legalize(verb, approve, confirm, authorize, sanction)
1
legitimize(endorse, prove, verify)
1
make binding(expression, endorse, prove, verify)
1
make evident(verb, expression, state, show, determine)
1
make stick(expression, endorse, prove, verify)
1
make sure(verb, expression, support, back, sign)
1
pan out(verb, expression, show, determine, confirm)
1
set seal on(expression, idiom, endorse, prove, verify)
1
sign(noun, verb, support, back, approve)
1
sign off on(expression, idiom, support, back, sign)
1
size up(verb, expression, support, back, confirm)
1
test(verb, show, determine, idea, confirm)
1
thumbs up(expression, support, back, sign, uphold)
1
try(verb, show, determine, idea, confirm)
0
advance
0
agree(verb, verify, validate)
0
champion
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APASmart Define. (2015). corroborate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>