undisputed

from WordNet (r) 3.0 (2006)

undisputed
    adj 1: generally agreed upon; not subject to dispute; "the
           undisputed fact" [syn: {undisputed}, {unchallenged},
           {unquestioned}]

from The Collaborative International Dictionary of English v.0.48

Undisputed \Undisputed\
   See {disputed}.

from Moby Thesaurus II by Grady Ward, 1.0

36 Moby Thesaurus words for "undisputed":
      accepted, acknowledged, admitted, believed, beyond question,
      certain, clear, conclusive, credited, definite, doubtless,
      explicit, incontestable, incontrovertible, indisputable, indubious,
      indubitable, irrefutable, obvious, past dispute, questionless,
      received, self-evident, sure, trusted, unchallenged, uncontested,
      uncontradicted, uncontroversial, uncontroverted, undeniable,
      undoubted, unmistakable, unquestionable, unquestioned,
      unsuspected