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

categorical \cat`egor"ical\, a.
   1. of or pertaining to a category.
      1913 webster

   2. not hypothetical or relative; admitting no conditions or
      exceptions; declarative; absolute; positive; express; as,
      a categorical proposition, or answer.
      1913 webster

            the scriptures by a multitude of categorical and
            intelligible decisions . . . distinguish between the
            things seen and temporal and those that are unseen
            and eternal. --i. taylor.
      1913 webster

[2] : WordNet (r) 2.0

categorical
     adj 1: relating to or included in a category
     2: not modified or restricted by reservations; "a categorical
        denial"; "a flat refusal" syn: categoric, flat, unconditional
see also:
categoric flat unconditional 

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

99 moby thesaurus words for "categorical":
   a fortiori, a posteriori, a priori, absolute,
   admitting no exception, all-out, analytic, apodeictic, apodictic,
   authoritative, certain, characteristic, classificational,
   classificatory, clean-cut, clear, clear-cut, complete, conclusive,
   conditional, decided, decisive, deductive, defining, definite,
   definitive, denominative, determinate, dialectic, differential,
   direct, discursive, distinctive, divisional, divisionary, dogmatic,
   downright, emphatic, enthymematic, entire, epagogic, explicit,
   express, final, firm, fixed, flat, flat-out, forthright, global,
   hypothetical, implicit, inappealable, indisputable, inductive,
   inferential, maieutic, ordinal, out-and-out, outright, particular,
   peculiar, peremptory, perfect, positive, round, soritical, special,
   specific, straight, straight-out, subdivisional, sure, syllogistic,
   synthetic, taxonomic, total, typal, typical, unambiguous,
   uncircumscribed, unconditional, unconditioned, undoubting,
   unequivocal, unhampered, unhesitating, unlimited, unmistakable,
   unmitigated, unqualified, unquestioning, unreserved, unrestricted,
   unwaivable, utter, whole, without exception, without reserve

Categorical >> C Words
Categorical, definition of term: Categorical
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Categorical Imp >> C Words
Categorical Imp, definition of term: Categorical Imp
categorical+imp_pag1.html