5
affirmative(adjective, agreeable, positive, agreeing, assenting)
5
assuring(verb, adjective, ascertaining)
5
determining(verb, adjective, evincing, assuring, proving)
5
ratifying(verb, positive, approving, supporting, assenting)
5
verificatory
4
authorizing(verb, approving, authorizing)
4
checking(verb, proving, ascertaining)
4
consenting(verb, positive, approving, supporting, authorizing)
4
demonstrating(verb, evincing, proving, ascertaining)
4
supportive
3
accepting(verb, approving)
3
acknowledging(verb, positive, supporting, assenting)
3
assenting(verb, positive, approving, authorizing)
3
attesting(verb, evincing)
3
endorsing(verb, positive, approving, supporting, assenting)
3
sanctioning(verb, approving, authorizing)
2
agreeing(verb, positive, authorizing, assenting)
2
avouching(verb, evincing)
2
backing(noun, adjective, assuring)
2
cocksure
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APASmart Define. (2016). confirming thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/confirming/thesaurus/synonyms
ChicagoSmart Define. 2016. "confirming thesaurus" https://smartdefine.org/confirming/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, confirming thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/confirming/thesaurus/synonyms>.
MLASmart Define. "confirming thesaurus" 18 March 2016. Web. 22 September 2026. <https://smartdefine.org/confirming/thesaurus/synonyms>