buoyancy Synonyms

elasticity optimism perkiness sprightliness lightheartedness irrepressibility lightness cheerfulness resilience flotation airiness revelling sustentation uplift verve vibrancy vim vitality vivacity volatileness volatility wafting yeastiness zest suspension support rosiness sanguineness sanguinity sparkle positivity spirit positivism pertness spring springiness relief resiliency sunniness blissfulness carefreeness high-spiritedness bounciness bright side bubbliness gleefulness mirthfulness floatability good spirits light-heartedness