|Origin:||, past participle of illuminare, from lumen 'light'|
il‧lu‧mi‧nate also illumine [transitive]
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.
to make something much clearer and easier to understand:
The report illuminated the difficult issues at the heart of science policy.