Source : Webster's Revised Unabridged Dictionary (1913)

Theoretic \The`o*ret"ic\, Theoretical \The`o*ret"ic*al\, a. [Gr.
   ?: cf. L. theoreticus, F. th['e]or['e]tique.]
   Pertaining to theory; depending on, or confined to, theory or
   speculation; speculative; terminating in theory or
   speculation: not practical; as, theoretical learning;
   theoretic sciences. -- {The`o*ret"ic*al*ly}, adv.

Source : WordNet®

theoretic
     adj : concerned primarily with theories or hypotheses rather than
           practical considerations; "theoretical science" [syn: {theoretical}]
           [ant: {empirical}]