1
grabber(noun, information, reason, picture, evidence)
1
grounds(noun, information, reason, picture, evidence)
1
guarantee(permit, warrant, seal, document, license)
1
illustration(noun, evidence)
1
imprimatur
1
legalization
1
lowdown(noun, information, reason, picture, evidence)
1
marking
1
nitty-gritty(noun, information, reason, picture, evidence)
1
observation(noun, evidence)
1
okay(proof, verification, endorsement, substantiation, corroboration)
1
paper(permit, warrant, document, license, diploma)
1
paper trail(noun, expression, information, reason, picture)
1
pass(permit, warrant, document, license, diploma)
1
permit(warrant, document, license, diploma)
1
picture(noun, information, reason, evidence, witness)
1
quotation(noun, evidence)
1
reasons(noun, information, reason, picture, evidence)
1
receipt(permit, warrant, document, license, diploma)
1
recognition(noun, approval, proof, verification, endorsement)
11 years ago|5k views|share |citing 
APASmart Define. (2015). authentication thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/authentication/thesaurus/synonyms
ChicagoSmart Define. 2015. "authentication thesaurus" https://smartdefine.org/authentication/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, authentication thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/authentication/thesaurus/synonyms>.
MLASmart Define. "authentication thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/authentication/thesaurus/synonyms>