WordNet: arbitrariness, capriciousness, flightiness, whimsey, whimsicality, whimsy

Sanatista
the trait of acting unpredictably and more from whim or caprice than from reason or judgment; "I despair at the flightiness and whimsicality of my memory"



arbitrariness


capriciousness


flightiness


whimsey


whimsicality


whimsy