Illumination

Definition:

(n.) The act of illuminating, or supplying with light; the state of being illuminated.
(n.) Festive decoration of houses or buildings with lights.
(n.) Adornment of books and manuscripts with colored illustrations. See Illuminate, v. t., 3.
(v. t.) That which is illuminated, as a house; also, an ornamented book or manuscript.
(v. t.) That which illuminates or gives light; brightness; splendor; especially, intellectual light or knowledge.
(v. t.) The special communication of knowledge to the mind by God; inspiration.

Compare illumination with other words:

illumination vs. lumination