The Collaborative International Dictionary of English v.0.48:
Illumine \Il*lu"mine\, v. t. [Cf. F. illuminer. See Illuminate.] To illuminate; to light up; to adorn. [1913 Webster]WordNet (r) 3.0 (2006):
illumine v 1: make lighter or brighter; "This lamp lightens the room a bit" [syn: light, illume, illumine, light up, illuminate]