vi to light up in token or rejoicing.
2. illuminate ·adj enlightened.
3. illuminate ·noun one who enlightened; ·esp., a pretender to extraordinary light and knowledge.
4. illuminate ·vt to light up; to decorate with artificial lights, as a building or city, in token of rejoicing or respect.
5. illuminate ·vt to make light; to throw light on; to supply with light, literally or figuratively; to brighten.
6. illuminate ·vt to adorn, as a book or page with borders, initial letters, or miniature pictures in colors and gold, as was done in manuscripts of the middle ages.
7. illuminate ·vt to make plain or clear; to dispel the obscurity to by knowledge or reason; to explain; to elucidate; as, to illuminate a text, a problem, or a duty.