undoubted

from The Collaborative International Dictionary of English v.0.48

Undoubted \Un*doubt"ed\, a.
   Not doubted; not called in question; indubitable;
   indisputable; as, undoubted proof; undoubted hero. --
   {Un*doubt"ed*ly}, adv.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Undoubted \Undoubted\
   See {doubted}.

from Moby Thesaurus II by Grady Ward, 1.0

59 Moby Thesaurus words for "undoubted":
      accepted, actual, ascertained, attested, authenticated, believed,
      beyond question, bona fide, categorically true, certain, certified,
      confirmed, corroborated, credited, demonstrated, determined,
      documentary, doubtless, effectual, established, factual, genuine,
      historical, indubious, indubitable, not in error, objectively true,
      past dispute, proved, questionless, real, received, substantiated,
      sure-enough, true, true as gospel, trusted, truthful, unchallenged,
      unconfuted, uncontested, uncontradicted, uncontroversial,
      uncontroverted, undenied, undisputed, unerroneous, unfallacious,
      unfalse, unmistaken, unquestionable, unquestioned, unrefuted,
      unsuspected, validated, veracious, verified, veritable, very