n.
Function: verb
Inflected Form: lit \ ' lit \ or light · ed ; light · ing
Date: before 12th century
intransitive verb
1 : to become light : BRIGHTEN ― usually used with up <her face lit up>
2 : to take fire
3 : to ignite something (as a cigarette) ― often used with up
transitive verb
1 : to set fire to
2 a : to conduct with a light : GUIDE b : ILLUMINATE <rockets light up the sky> c : ANIMATE , BRIGHTEN <a smile lit up her face>