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| Date: | 1400-1500 |
| Language: | Latin |
| Origin: | , past participle of illuminare, from lumen 'light' |
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il‧lu‧mi‧nate
also illumine [transitive]
also illumine [transitive]1 to make a light shine on something, or to fill a place with light : 
A single candle illuminated his face.At night the canals are beautifully illuminated.
A single candle illuminated his face.At night the canals are beautifully illuminated.2 formal to make something much clearer and easier to understand : The report illuminated the difficult issues at the heart of science policy.
The report illuminated the difficult issues at the heart of science policy.
