Lighten Up (Verb)
Meaning 1
Become more cheerful; "after a glass of wine, he lightened up a bit".
Classification
Verbs of telling, asking, ordering, singing.
Synonyms
Hypernyms
Meaning 2
Make more cheerful; "the conversation lightened me up a bit".
Classification
Verbs of feeling.
Synonyms
Hypernyms
Meaning 3
Make more cheerful through the use of color; "The paint will brighten the room".
Classification
Verbs of size, temperature change, intensifying, etc..