1. To adorn with festal lamps or bonfires.
2. To enlighten intellectually with knowledge or grace. Heb 10.
3. To adorn with pictures, portraits and other paintings; as, to illuminate manuscripts or books, according to ancient practice.
4. To illustrate; to throw light on, as on obscure subjects.
ILLU'MINATE, a. Enlightened.
ILLU'MINATE, n. One of a sect of heretics pretending to possess extraordinary light and knowledge.