Source : Webster's Revised Unabridged Dictionary (1913)

Categorematic \Cat`e*gor`e*mat"ic\, a. [Gr. ? predicate. See
   {Category}.] (Logic.)
   Capable of being employed by itself as a term; -- said of a
   word.

Source : WordNet®

categorematic
     adj : of a term or phrase capable of standing as the subject or
           (especially) the predicate of a proposition [ant: {syncategorematic}]