noun festive decoration of houses or buildings with lights.
2. illumination ·vt the special communication of knowledge to the mind by god; inspiration.
3. illumination ·vt that which is illuminated, as a house; also, an ornamented book or manuscript.
4. illumination ·noun the act of illuminating, or supplying with light; the state of being illuminated.
5. illumination ·noun adornment of books and manuscripts with colored illustrations. ·see illuminate, ·vt, 3.
6. illumination ·vt that which illuminates or gives light; brightness; splendor; especially, intellectual light or knowledge.