Synonyms of lighten up

Verb

1. lighten, lighten up, buoy up, cheer

usage: make more cheerful; "the conversation lightened me up a bit"

2. lighten, lighten up, buoy up, cheer, cheer up, chirk up

usage: become more cheerful; "after a glass of wine, he lightened up a bit"

3. brighten, lighten up, lighten, change, alter, modify

usage: make lighter or brighter; "The paint will brighten the room"

4. lighten, lighten up, change

usage: become lighter; "The room lightened up"