1. to light up or brighten with light
2. to make clear or easier to understand; to explain
3. to decorate with lights or bright colors

Examples

• The full moon illuminates the entire garden at night.
• A single candle illuminates the dark room.
• The teacher’s explanation illuminates the difficult concept.
• This research illuminates the causes of the problem.
• The artist illuminates the manuscript with gold leaf.
• Fireworks illuminate the sky on New Year’s Eve.
• Her smile illuminates her whole face.