Vagary
Vagary (vȧ*gā"ry or vag"ȧ*re) , noun
[Latin vagari to stroll about. See Vague.]
1.
A wandering or strolling. [Obsolete]
2.
Hence, a wandering of the thoughts; a wild or fanciful freak; a whim; a whimsical purpose.
The vagaries of a child.
They changed their minds,
Flew off, and into strange vagaries fell.