55 entries under support topic. ×

3
swear to(verb, expression, give, back)
2
assert under oath(expression, idiom, guarantee)
2
back up(expression, verify, guarantee, substantiate)
2
bear out(verb, expression, phrasal verb, back)
2
circumstantiate(verb, back, sign, uphold)
2
debunk(verb, back, sign, uphold)
2
explain(verb, back, sign, uphold)
2
give green light(expression, idiom, back, sign)
2
give high sign(expression, idiom, back, sign)
2
justify(verb, back, sign, confirm)
2
ratify(verb, state, maintain, back)
2
rubber-stamp(verb, state, give, maintain)
2
subscribe(verb, back, declare, sign)
2
underpin(verb, back, sign, uphold)
1
answer for(verb, expression, give, maintain)
1
approve(verb, state, back, sign)
1
bless(verb, back, sign, uphold)
1
buy(verb, back, sign, uphold)
1
check(verb, back, confirm, uphold)
1
double-check(verb, back, uphold, explain)
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APASmart Define. (2015). vouch thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vouch/thesaurus/synonyms
ChicagoSmart Define. 2015. "vouch thesaurus" https://smartdefine.org/vouch/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, vouch thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vouch/thesaurus/synonyms>.
MLASmart Define. "vouch thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/vouch/thesaurus/synonyms>