verb
ADVERB
▪ considerably
▪ a little , slightly , etc.
▪ visibly
▪
Their rather heavy faces ~ed visibly.
▪ immediately
▪ suddenly
▪ up
▪
She ~ed up a little at the thought of the cruise.
Brighten is used with these nouns as the subject: ↑ eye , ↑ face , ↑ mood
Brighten is used with these nouns as the object: ↑ mood