Synonyms|175Antonyms|0|Broader|8Narrower|0Related|0

39 entries under substantiate topic. ×

1
endorse(verb, prove, verify, validate)
1
explain(verb, support, back, uphold, prove)
1
give high sign(verb, expression, idiom, support, back)
1
justify(verb, support, back, confirm, explain)
1
lap up(verb, expression, phrasal verb, support, back)
1
make good(verb, expression, support, back, uphold)
1
okay(verb, prove, verify, validate)
1
ratify(verb, prove, verify, validate)
1
rubber-stamp(verb, permit, prove, verify)
1
sanction(verb, prove, verify, validate)
1
sign(verb, prove, verify, validate)
1
subscribe(verb, support, back, uphold, explain)
1
support(verb, check, establish, back, confirm)
1
underpin(verb, support, back, uphold, explain)
1
uphold(verb, prove, verify, validate)
1
vouch(verb, support, back, uphold, explain)
1
warrant(verb, support, back, explain, prove)
1
witness(verb, support, back, uphold, explain)
0
back up(expression, verify, corroborate)
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APASmart Define. (2015). double-check thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/double-check/thesaurus/synonyms
ChicagoSmart Define. 2015. "double-check thesaurus" https://smartdefine.org/double-check/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, double-check thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/double-check/thesaurus/synonyms>.
MLASmart Define. "double-check thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/double-check/thesaurus/synonyms>