buoyancy
[noun]
Synonyms:
- lightness, weightlessness
- cheerfulness, animation, bounce (informal), good humour, high spirits, liveliness

[TahlilGaran] English Synonym Dictionary ▲

buoy‧an‧cy /ˈbɔɪənsi $ ˈbɔɪənsi, ˈbuːjənsi/ noun [uncountable]

1. the ability of an object to float

2. the power of a liquid to make an object float:
Salt water has more buoyancy than fresh water.

3. a feeling of happiness and a belief that you can deal with problems easily

4. the ability of prices, a business etc to quickly get back to a high level after a difficult period

[TahlilGaran] Dictionary of Contemporary English ▲