light up

Verb (5)

1. start to burn with a bright flame“The coal in the BBQ grill finally lit up”Synonyms: light up
2. make lighter or brighter“This lamp lightens the room a bit”Synonyms: lightillumeilluminelight upilluminate
3. become clear“The sky cleared after the storm”Synonyms: clear upclearlight upbrighten
4. ignite“The sky lit up quickly above the raging volcano”Synonyms: light up
5. begin to smoke“After the meal, some of the diners lit up”Synonyms: light upfire uplight