1
swear by(verb, expression, back, trust, recommend)
1
testify(verb, support, show, maintain, secure)
1
testify to(verb, expression, show, confirm)
1
think highly of(verb, expression, idiom, praise, favor)
1
urge(verb, praise, favor, back, approve)
1
value(verb, praise, favor, back, approve)
1
vow(verb, approve, confirm, uphold, authorize)
1
wager(verb, support, maintain, secure, protect)
0
OK(verb, approve, permit, authorize)
0
accept
0
acknowledge
0
adjure(show, confirm, prove, appear, swear)
0
adopt
0
allow(verb, approve, permit, authorize)
0
allure
0
appoint(recognize, sanction)
0
ask in marriage
0
assent
0
asservate(show, confirm, prove, appear, swear)
0
asseverate
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APASmart Define. (2015). vouch for thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vouch_for/thesaurus/synonyms
ChicagoSmart Define. 2015. "vouch for thesaurus" https://smartdefine.org/vouch_for/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, vouch for thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vouch_for/thesaurus/synonyms>.
MLASmart Define. "vouch for thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/vouch_for/thesaurus/synonyms>