The Collaborative International Dictionary of English v.0.48:
Schematic \Sche*mat"ic\, a. [Cf. Gr. ? pretended.] Of or pertaining to a scheme or a schema. [1913 Webster]WordNet (r) 3.0 (2006):
schematic adj 1: represented in simplified or symbolic form [syn: conventional, formal, schematic] n 1: diagram of an electrical or mechanical system [syn: schematic, schematic drawing]