Synonyms|173Antonyms|11|Broader|0Narrower|0Related|78
4
insuring(verb, adjective, assuring, guaranteeing)
4
ratifying(verb, approving, affirming)
4
securing(verb, adjective, assuring, guaranteeing)
3
corroborating(verb, adjective, affirming, evincing)
3
countersigning(verb, authorizing, guaranteeing)
3
declaring(verb, affirming, evincing)
3
endorsing(verb, approving, affirming)
3
pledging(verb, affirming, guaranteeing)
3
promising(verb, affirming, guaranteeing)
3
proving(verb, evincing, proving, ascertaining)
3
sanctioning(verb, approving, authorizing)
3
stating(verb, affirming, evincing)
3
substantiating(verb, evincing, ascertaining)
3
supporting(verb, affirming, evincing)
3
witnessing(verb, evincing)
2
acknowledging(verb, affirming)
2
assenting(verb, approving, authorizing)
2
averring(verb, affirming)
2
backing(noun, adjective, assuring)
2
consenting(verb, approving, authorizing)
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ChicagoSmart Define. 2016. "certifying thesaurus" https://smartdefine.org/certifying/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, certifying thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certifying/thesaurus/synonyms>.
MLASmart Define. "certifying thesaurus" 18 March 2016. Web. 20 September 2026. <https://smartdefine.org/certifying/thesaurus/synonyms>