130 entries under prove topic. ×

7
uphold(verb, support, state, show, press)
7
vouch for(verb, expression, phrasal verb, support, show)
6
document(noun, verb, show, determine, confirm)
6
maintain(verb, support, state, hold, press)
6
profess(verb, state, hold, press, maintain)
5
bespeak(verb, state, make, give, mean)
5
betoken(verb, state, give, mean, show)
5
establish(verb, support, state, show, present)
5
illustrate(verb, make, mean, show, mark)
5
proclaim(verb, name, state, show, press)
4
adjure(verb, show, confirm, appear)
4
connote(verb, mean, show, determine, direct)
4
mark(noun, verb, make, give, mean)
4
stand behind(expression, support, maintain, praise, secure)
3
back up(verb, expression, support, praise, approve)
3
circumstantiate(verb, support, back, sign, uphold)
3
denote(verb, mean, show, present, maintain)
3
ensure(verb, support, maintain, secure, settle)
3
reveal(verb, state, make, mean, show)
3
signify(verb, make, mean, show, mark)
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APASmart Define. (2015). attest thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/attest/thesaurus/synonyms
ChicagoSmart Define. 2015. "attest thesaurus" https://smartdefine.org/attest/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, attest thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/attest/thesaurus/synonyms>.
MLASmart Define. "attest thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/attest/thesaurus/synonyms>