buoyant (adj.)
- adaptable
- adaptive
- afloat
- airy
- animated
- blithe
- bouncy
- breezy
- bright
- carefree
- cheerful
- convalescent
- corky
- debonair
- ebullient
- effervescent
- elastic
- expansive
- extensile
- flexible
- flexile
- floating
- floaty
- jaunty
- light
- light-hearted
- lighthearted
- lightsome
- lively
- peppy
- perky
- recuperative
- resilient
- responsive
- springy
- stretch
- stretchable
- stretchy
- supernatant
- vivacious
- volatile
