3
underpin(verb, prove, verify, substantiate, validate)
3
undersign(verb, sign)
3
vouchsafe
3
vow(verb, support, maintain, back, declare)
2
absolve(verb, support, favor, sustain, defend)
2
adduce(verb, evince)
2
advocate(verb, support, state, help, accept)
2
agree to(verb, expression, take, clear, accept)
2
assay(verb, check, show, determine, examine)
2
be sure(verb, expression, idiom)
2
bind(approve, sanction, endorse)
2
choose(verb, end, fix, clear, determine)
2
abide
2
accede(verb, support, accept, favor, agree)
2
acclimate(verb, prepare, endure, adjust, familiarize)
2
acclimatize(verb, prepare, endure, adjust, familiarize)
2
acquiesce(verb, support, state, accept, favor)
2
addict(verb, prepare, endure, adjust, familiarize)
2
adjudicate(verb, end, fix, clear, determine)
2
adjust(verb, end, fix, clear, complete)
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APASmart Define. (2015). confirm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/confirm/thesaurus/synonyms
ChicagoSmart Define. 2015. "confirm thesaurus" https://smartdefine.org/confirm/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, confirm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/confirm/thesaurus/synonyms>.
MLASmart Define. "confirm thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/confirm/thesaurus/synonyms>