Buoyancy

Buoyancy means the quality to recover back soon after setbacks.

Buoyancy  
Noun
Definitions:
1)the ability to float in a liquid or to rise in a fluid

2)the property of a fluid to exert an upward force (upthrust) on a body that is wholly or partly submerged in it
3)the ability to recover quickly after setbacks; resilience
4)cheerfulness

Buoyancy is the ability that something floats on water or liquid, eg ball cannot go down in water...if you press it comes back on surface and start floating...what we call it as 'Buoyanced'.

Buoyancy is ability or the nature of a person to bounce back to normal very fast whether the surrounding condition is supportive or not or there is an adverse condition.