[See Illume.] To enlighten; to throw light on; to supply with light. [This word is used in poetry or prose.]

1. To adorn with festal lamps or bonfires.

2. To enlighten intellectually with knowledge or grace. Hebrews 10:32.

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.