The Collaborative International Dictionary of English v.0.48:

Schematism \Sche"ma*tism\, n. [Cf. F. sch['e]matisme (cf. L.
   schematismos florid speech), fr. Gr. ?, fr. ? to form. See
   Scheme.]
   1. (Astrol.) Combination of the aspects of heavenly bodies.
      [1913 Webster]

   2. Particular form or disposition of a thing; an exhibition
      in outline of any systematic arrangement. [R.]
      [1913 Webster]