light_up
1. [ verb ] make lighter or brighter
Synonyms: light illuminate illumine illume
Examples:

"This lamp lightens the room a bit"

Related terms: lighten spotlight floodlight light light light light light illumination
2. [ verb ] start to burn with a bright flame
Examples:

"The coal in the BBQ grill finally lit up."

Related terms: ignite
3. [ verb ] ignite
Examples:

"The sky lit up quickly above the raging volcano."

Related terms: ignite
4. [ verb ] become clear
Synonyms: clear brighten clear_up
Examples:

"The sky cleared after the storm."

Related terms: overcast
5. [ verb ] begin to smoke
Synonyms: light fire_up
Examples:

"After the meal, some of the diners lit up"

Related terms: ignite smoke
Similar spelling:   light_upon
  light_pen
  light_opera
  Lightfoot
  list_price
  lightproof
  light_bulb
  light_beer
  light_beam
  light_brown
  light_bread