Synonyms for buoyancy

Noun

1. buoyancy, perkiness, cheerfulness, blitheness

usage: cheerfulness that bubbles to the surface

2. airiness, buoyancy, lightness, weightlessness

usage: the property of something weightless and insubstantial

3. irrepressibility, buoyancy, liveliness, life, spirit, sprightliness

usage: irrepressible liveliness and good spirit; "I admired his bouyancy and persistent good humor"