1.
[syn: flightiness, arbitrariness, whimsicality, whimsy, whimsey, capriciousness]
The Collaborative International Dictionary of English v.0.48:
Arbitrariness \Ar"bi*tra*ri*ness\, n.
The quality of being arbitrary; despoticalness; tyranny.
--Bp. Hall.
[1913 Webster]
WordNet (r) 3.0 (2006):
arbitrariness
n 1: 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" [syn:
flightiness, arbitrariness, whimsicality, whimsy,
whimsey, capriciousness]