65 entries under witness topic. ×

20
confirmation(noun, check, information, mark, sign)
19
proof(noun, support, check, information, mark)
19
verification(noun, support, check, information, reason)
15
validation(noun, information, reason, display, true)
14
corroboration(noun, support, check, information, mark)
14
evidence(noun, support, information, mark, sign)
13
attestation(noun, information, mark, sign, reason)
13
certification(noun, information, reason, picture, evidence)
12
authentication(noun, information, reason, true, picture)
12
demonstration(noun, information, mark, sign, reason)
12
testimony(noun, information, mark, sign, reason)
7
affirmation(noun, information, mark, sign, display)
7
documentation(noun, support, information, mark, sign)
7
establishment(noun, information, reason, picture, evidence)
6
manifestation(noun, form, appearance, information, mark)
5
credentials(noun, information, reason, picture, evidence)
5
indication(noun, information, mark, sign, statement)
4
testament(noun, information, mark, sign, reason)
3
declaration(noun, information, mark, sign, indication)
2
affidavit(noun, information, reason, statement, picture)
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APASmart Define. (2015). substantiation thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/substantiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiation thesaurus" https://smartdefine.org/substantiation/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, substantiation thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/substantiation/thesaurus/synonyms>.
MLASmart Define. "substantiation thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/substantiation/thesaurus/synonyms>