88 entries under support topic. ×

8
warrant(verb, state, show, maintain)
8
witness(verb, state, make, mean)
7
justify(verb, state, move, show)
6
settle(verb, show, back, put)
6
vindicate(verb, maintain, defend, prove)
6
vouch(verb, give, back, confirm)
5
explain(verb, show, mark, present)
5
make good(verb, expression, idiom, back)
5
ratify(verb, show, determine, back)
4
approve(verb, back, idea, confirm)
4
assert(verb, state, show, mark)
4
assure(verb, get, maintain, secure)
4
back up(verb, expression, verify, substantiate)
4
check out(verb, expression, study, check)
4
double-check(verb, back, confirm, explain)
4
endorse(verb, show, maintain, secure)
3
profess(verb, state, maintain, back)
2
answer for(expression, maintain, secure, protect)
2
aver(verb, state, show, maintain)
2
avow(verb, state, maintain, back)
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APASmart Define. (2016). prove thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/prove/thesaurus/synonyms
ChicagoSmart Define. 2016. "prove thesaurus" https://smartdefine.org/prove/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, prove thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/prove/thesaurus/synonyms>.
MLASmart Define. "prove thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/prove/thesaurus/synonyms>