unmistaken

37 Moby Thesaurus words for "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,
      veritable