4
avers
4
claims(noun, verb, says something)
4
corroborates
4
endorses(verb, agrees, approves)
4
holds(verb, says something, believes)
4
promises(noun, verb, agrees, guarantees)
4
pronounces(verb, says something)
4
validates(verb, authorizes, approves)
4
warrants(noun, verb, guarantees, authorizes)
3
asseverates(verb, says something)
3
assumes(verb, says something, believes)
3
consents(verb, agrees, authorizes, approves)
3
pledges(verb, agrees, guarantees)
3
presumes(verb, says something, believes)
3
ratifies(verb, approves)
3
states(noun, verb)
3
suggests(verb, says something)
3
surmises(verb, says something, believes)
3
verifies
3
vouches(noun, verb, guarantees)
11 years ago|5.7k views|share |citing 
APASmart Define. (2015). affirms thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/affirms/thesaurus/synonyms
ChicagoSmart Define. 2015. "affirms thesaurus" https://smartdefine.org/affirms/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, affirms thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/affirms/thesaurus/synonyms>.
MLASmart Define. "affirms thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/affirms/thesaurus/synonyms>