1
objectively true
1
observed(verb, evinced)
1
official(adjective, honest, certain, true, original)
1
professed
1
received
1
recognised
1
recognized
1
settled
1
shown
1
stamped
1
sure-enough
1
sworn and affirmed(expression, idiom)
1
testified(verb, evinced)
1
true as gospel(expression, idiom)
1
truthful
1
unconfuted
1
undenied
1
undoubted
1
unerroneous
1
unfallacious
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APASmart Define. (2015). authenticated thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/authenticated/thesaurus/synonyms
ChicagoSmart Define. 2015. "authenticated thesaurus" https://smartdefine.org/authenticated/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, authenticated thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/authenticated/thesaurus/synonyms>.
MLASmart Define. "authenticated thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/authenticated/thesaurus/synonyms>