The definition of levity is silly or light speech or behavior, usually at an inappropriate time.
The definition of happiness is the state of joy, peace and tranquility.
a cheerful and agreeable mood
Find another word for good-humor. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for good-humor, like: amiability, levity, geniality, happiness, good mood, good-humour, good-temper and ill-humor.