lighten up

Verb lighten up has 4 senses

• lighten up(v = verb.emotion) buoy up, lighten - make more cheerful; "the conversation lightened me up a bit"
is one way to cheer
Sample sentences:
Somebody ----s somebody
Something ----s somebody

• lighten up(v = verb.communication) buoy up, lighten - become more cheerful; "after a glass of wine, he lightened up a bit"
is one way to cheer, cheer up, chirk up
Sample sentence:
Somebody ----s

• lighten up(v = verb.change) brighten, lighten - make lighter or brighter; "The paint will brighten the room"
is one way to alter, change, modify
Sample sentences:
Somebody ----s something
Something ----s something

• lighten up(v = verb.change) lighten - become lighter; "The room lightened up"
is one way to change
Sample sentence:
Something ----s