whim·si·cal adj.
1. Determined by, arising from, or marked by whim or caprice. See Synonyms at arbitrarywhim n.
1. A sudden or capricious idea; a fancy.
2. Arbitrary thought or impulse: governed by whim.ar·bi·trar·y adj.
1. Determined by chance, whim, or impulse, and not by necessity, reason, or principle: stopped at the first motel we passed, an arbitrary choice.
2. Based on or subject to individual judgment or preference: The diet imposes overall calorie limits, but daily menus are arbitrary.
3. Established by a court or judge rather than by a specific law or statute: an arbitrary penalty.
4. Not limited by law; despotic: the arbitrary rule of a dictator.arbitrary
\Ar"bi*tra*ry\, a. [L. arbitrarius, fr. arbiter: cf. F. arbitraire. See Arbiter.] 1. Depending on will or discretion; not governed by any fixed rules; as, an arbitrary decision; an arbitrary punishment.
According to the normal usage of the English language the Calvinistic view of God is the very picture of whimsy.
Not at all. His choice was made before the foundation of the world.