sim·pli·fy 
(sĭmplə-fī′)
(sĭmplə-fī′)tr.v. sim·pli·fied, sim·pli·fy·ing, sim·pli·fies
To make simple or simpler, as:
a. To reduce in complexity or extent.
b. To reduce to fundamental parts.
c. To make easier to understand.
[French simplifier, from Old French, from Medieval Latin simplificāre : Latin simplus, simple; see SIMPLE + Latin -ficāre, -fy.]
sim′pli·fi·cation (-fĭ-kāshən) n.
simpli·fi′er n.