[1] : The Collaborative International Dictionary of English v.0.48

unquestionable \unques"tionable\, a.
   1. not questionable; as, an unquestionable title.
      1913 webster

   2. not inviting questions or conversation. r. --shak.
      1913 webster -- unques"tionably, adv.
      1913 webster
see also:
unques"tionably 

[2] : WordNet (r) 2.0

unquestionable
     adj 1: impossible to question; "unquestionable authority" ant: questionable
     2: not counterfeit or copied; "an authentic signature"; "a bona
        fide manuscript"; "an unquestionable antique";
        "photographs taken in a veritable bull ring" syn: authentic,
         bona fide, veritable
     3: not open to question; "an unquestionable or unequivocal
        loss of prestige"
see also:
questionable authentic bona fide veritable 

[3] : Moby Thesaurus II by Grady Ward, 1.0

111 moby thesaurus words for "unquestionable":
   absolute, actual, admitting no question, ascertained, attested,
   authenticated, believable, bona fide, categorically true, certain,
   certified, clear, colorable, conceivable, conclusive, confirmable,
   confirmed, corroborated, credible, deep-seated, definite,
   demonstrable, demonstratable, demonstrated, dependable, determined,
   documentary, effectual, esoteric, established, factual, fiduciary,
   flat, genuine, historical, immanent, implanted, implicit,
   inalienable, inappealable, incontestable, incontrovertible,
   indisputable, indubitable, indwelling, infixed, ingrained,
   inherent, inner, internal, intrinsic, inward, inwrought,
   irreducible, irrefragable, irrefutable, manifest, not in error,
   objectively true, obvious, patent, plausible, positive, private,
   provable, proved, real, reliable, resident, secret, self-evident,
   subjective, substantiated, sure, sure-enough, tenable, testable,
   true, true as gospel, trustworthy, trusty, truthful, unalienable,
   unanswerable, unchallengeable, unconfutable, unconfuted,
   uncontestable, undeniable, undenied, undoubted, unequivocal,
   unerroneous, unexceptionable, unfallacious, unfalse, unimpeachable,
   unmistakable, unmistaken, unrefutable, unrefuted, up-and-down,
   validated, veracious, verifiable, verified, veritable, very,
   well-founded, well-grounded, worthy of faith

Unquestionable >> U Words
Unquestionable, definition of term: Unquestionable
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