Source : Webster's Revised Unabridged Dictionary (1913)

Schematic \Sche*mat"ic\, a. [Cf. Gr. ? pretended.]
   Of or pertaining to a scheme or a schema.

Source : WordNet®

schematic
     adj : represented in simplified or symbolic form [syn: {conventional},
            {formal}]

schematic
     n : diagram of an electrical or mechanical system [syn: {schematic
         drawing}]