2
accepted(adjective, honest, certain, sure, reliable)
2
authorized(adjective, honest, reliable, trustworthy, valid)
2
candid(adjective, good, open, honest, total)
2
conclusive(adjective, sound, reasonable, solid, rational)
2
corroborated(adjective, evidential)
2
counter-evidential(adjective, evidential)
2
echt
2
exemplified(adjective, evidential)
2
exhibited(adjective, evidential)
2
gospel(adjective, true)
2
hearty(adjective, complete, warm, total, passionate)
2
innovative(adjective, original)
2
physical(adjective, material, certain, substantial, real)
2
prototypical(adjective, original)
2
pukka
2
received(valid, lawful, rightful)
2
substantiated(adjective, evidential)
2
undisputed
2
unerring(adjective, correct, right, honest, solid)
2
vouched(adjective, evidential)
10 years ago|20k views|share |citing 
APASmart Define. (2016). authentic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authentic/thesaurus/synonyms
ChicagoSmart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, authentic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authentic/thesaurus/synonyms>.
MLASmart Define. "authentic thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/authentic/thesaurus/synonyms>