130 entries under prove topic. ×

1
give stamp of approval(expression, idiom, support, back, sign)
1
grubstake(verb, support, maintain, secure, protect)
1
juice(verb, support, maintain, secure, protect)
1
lap up(expression, support, back, sign, uphold)
1
make bail(verb, expression, support, maintain, secure)
1
mortgage(verb, support, maintain, secure, protect)
1
peg(verb, make, mean, check, show)
1
pick up the check(verb, expression, idiom, support, maintain)
1
pick up the tab(verb, expression, idiom, support, maintain)
1
protect(verb, support, maintain, secure)
1
reassure(verb, support, state, maintain, secure)
1
relate(verb, declare, reveal, acknowledge, confirm)
1
settle(verb, support, show, determine, back)
1
sign off on(expression, idiom, support, back, sign)
1
size up(verb, expression, support, back, confirm)
1
stake(verb, support, maintain, secure, protect)
1
stand up(verb, expression, settle, confirm)
1
test(verb, check, show, determine, confirm)
1
thumbs up(expression, support, back, sign, uphold)
1
try(verb, check, show, determine, confirm)
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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>