jocularity — the state or quality of being jocular.
nonsense — words or language having little or no sense or meaning.
wit — the keen perception and cleverly apt expression of those connections between ideas that awaken amusement and pleasure. Synonyms: drollery, facetiousness, waggishness, repartee.
wittiness — possessing wit in speech or writing; amusingly clever in perception and expression: a witty writer.
zaniness — ludicrously or whimsically comical; clownish.