\Il*lu`mi*na"tion\, n. [L. illuminatio: cf. F.
illumination.]
1. The act of illuminating, or supplying with light; the
   state of being illuminated.
2. Festive decoration of houses or buildings with lights.
3. Adornment of books and manuscripts with colored
   illustrations. See {Illuminate}, v. t., 3.
4. That which is illuminated, as a house; also, an ornamented
   book or manuscript.
5. That which illuminates or gives light; brightness;
   splendor; especially, intellectual light or knowledge.
         The illumination which a bright genius giveth to his
         work.                                 --Felton.
6. (Theol.) The special communication of knowledge to the
   mind by God; inspiration.
         Hymns and psalms . . . are framed by meditation
         beforehand, or by prophetical illumination are
         inspired.                             --Hooker.