Synonyms of buoy up

Verb

1. lighten, lighten up, buoy up, cheer, cheer up, chirk up

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

2. lighten, lighten up, buoy up, cheer

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

3. buoy, buoy up, hold, support, sustain, hold up

usage: keep afloat; "The life vest buoyed him up"