87 entries under reason topic. ×

22
verification(noun, check, information, true)
19
substantiation(noun, check, information, mark, sign)
18
authentication(noun, information, true, approval)
18
approval(noun, law, support, act, understanding)
18
validation(noun, support, information, display)
17
corroboration(noun, check, information, mark, sign)
17
evidence(noun, information, mark, sign)
16
testimony(noun, information, mark, sign)
15
attestation(noun, information, mark, sign)
12
certification(noun, information, welcome, picture)
12
support(noun, authority, approval, argument)
8
demonstration(noun, expression, information, mark, sign)
8
testament(noun, information, mark, sign)
7
establishment(noun, information, contract, conclusion)
6
witness(noun, information, mark, sign)
5
warrant(noun, support, information, favor)
4
data(noun, information, mark, sign)
3
averment(noun, information, mark, sign)
3
deposition(noun, charge, information, mark, sign)
3
exhibit(noun, information, picture, evidence)
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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>