The Collaborative International Dictionary of English v.0.48:

Academic \Ac`a*dem"ic\, Academical \Ac`a*dem"ic*al\, a. [L.
   academicus: cf. F. acad['e]migue. See Academy.]
   1. Belonging to the school or philosophy of Plato; as, the
      Academic sect or philosophy.
      [1913 Webster]

   2. Belonging to an academy or other higher institution of
      learning; scholarly; literary or classical, in distinction
      from scientific. "Academic courses." --Warburton.
      "Academical study." --Berkeley.
      [1913 Webster]