65 entries under information topic. ×

20
confirmation(noun, check, mark, sign)
19
proof(noun, support, check, mark)
19
verification(noun, support, check, reason)
15
validation(noun, reason, display, true)
14
corroboration(noun, support, check, mark)
14
evidence(noun, support, mark, sign)
13
attestation(noun, mark, sign, reason)
13
certification(noun, reason, picture, evidence)
12
authentication(noun, reason, true, picture)
12
demonstration(noun, mark, sign, reason)
12
testimony(noun, mark, sign, reason)
7
affirmation(noun, mark, sign, display)
7
documentation(noun, support, mark, sign)
7
establishment(noun, reason, picture, evidence)
6
manifestation(noun, form, appearance, mark)
5
credentials(noun, reason, picture, evidence)
5
indication(noun, mark, sign, statement)
4
testament(noun, mark, sign, reason)
3
declaration(noun, mark, sign, indication)
3
witness(noun, mark, sign, reason)
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APASmart Define. (2015). substantiation thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiation thesaurus" https://smartdefine.org/substantiation/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantiation thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantiation/thesaurus/synonyms>.
MLASmart Define. "substantiation thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantiation/thesaurus/synonyms>