Word Study
unmistaken
THESAURUS
unmistaken
actual, ascertained, attested, authenticated, categorically true, certain, certified, confirmed, corroborated, demonstrated, determined, documentary, effectual, established, factual, historical, not in error, objectively true, proved, real, substantiated, sure-enough, true, true as gospel, truthful, unconfuted, undenied, undoubted, unerroneous, unfallacious, unfalse, unquestionable, unrefuted, validated, veracious, verified, veritableFor further exploring for "unmistaken" in Webster Dictionary Online