Collocations for illuminate - verb

brightly, brilliantly, clearly
fully
With the room fully illuminated, they students were able to see what they were doing.

beautifully
The red glow of the sun beautifully illuminated the sky.

barely, dimly, faintly, partially, slightly, softly
The room was dimly illuminated by the soft glow of the lamp.
His face was slightly illuminated from the small lamp on his desk.

briefly
instantly, suddenly

greatly
an incident which greatly illuminated the problems we faced

help (to)
The study of the present also helps to illuminate the past.

serve to
These confessions serve to illuminate his argument.

Illuminate is used with these nouns as the subject:
beam, candle, flare, flash, headlights, lamp, light, lightning, moon, moonlight

Illuminate is used with these nouns as the object:
aspect, sky