127 entries under prove topic. ×

2
sign off on(expression, idiom, support, accept, favor)
2
thumbs up(expression, support, accept, favor, agree)
1
add up(verb, expression, show, determine, confirm)
1
angel(verb, support, maintain, secure, protect)
1
asservate(verb, state, show, maintain, tell)
1
bankroll(verb, support, maintain, secure, protect)
1
be surety for(verb, support, maintain, secure, protect)
1
bind oneself(verb, expression, support, maintain, secure)
1
check up(verb, expression, check, confirm)
1
constitute(endorse, substantiate)
1
explain(show, determine, confirm, authorize)
1
give bond(verb, expression, support, maintain, secure)
1
give green light(expression, idiom, support, praise, favor)
1
give high sign(expression, idiom, verify, validate)
1
give stamp of approval(expression, idiom, approve, validate)
1
grubstake(verb, support, maintain, secure, protect)
1
juice(verb, support, maintain, secure, protect)
1
make bail(verb, expression, support, maintain, secure)
1
make good(verb, expression, verify, substantiate)
1
make legal(verb, expression, endorse, substantiate)
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APASmart Define. (2016). certify thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/certify/thesaurus/synonyms
ChicagoSmart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, certify thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/certify/thesaurus/synonyms>.
MLASmart Define. "certify thesaurus" 11 January 2016. Web. 24 September 2026. <https://smartdefine.org/certify/thesaurus/synonyms>