70 entries under authentication topic. ×

8
testament(noun, information, mark, sign, reason)
7
admission(noun, speech, welcome, statement, evidence)
7
assent(noun, support, understanding, arrangement, approval)
7
avowal(noun, understanding, speech, arrangement, approval)
7
establishment(noun, information, reason, contract, conclusion)
6
okay(noun, support, understanding, favor, arrangement)
6
seal(noun, impression, impress, proof, stamp)
6
testimonial(noun, information, mark, sign, true)
6
witness(noun, information, mark, sign, reason)
5
green light(noun, expression, support, favor, approval)
5
warrant(noun, support, information, favor, reason)
4
data(noun, information, mark, sign, reason)
3
averment(noun, information, mark, sign, reason)
3
deposition(noun, charge, information, mark, sign)
3
exhibit(noun, information, reason, picture, evidence)
3
information(noun, mark, sign, reason, speech)
3
nod(noun, support, understanding, authority, approval)
3
stamp of approval(noun, expression, idiom, approval, evidence)
2
justification(noun, reason, explanation, reasoning, defense)
2
recognition(noun, understanding, arrangement, welcome, approval)
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APASmart Define. (2015). confirmation thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/confirmation/thesaurus/synonyms
ChicagoSmart Define. 2015. "confirmation thesaurus" https://smartdefine.org/confirmation/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, confirmation thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/confirmation/thesaurus/synonyms>.
MLASmart Define. "confirmation thesaurus" 29 September 2015. Web. 21 September 2026. <https://smartdefine.org/confirmation/thesaurus/synonyms>