Ponderous thoughts to be ponderously pondered. Basically, if there is an adverb, adjective, and verb of ponder, then it stands to reason that there ought to be a noun as well.
Kevin often played the guitar to keep his mind from unpleasent ponderances.
by Kevin Gerrit Roelofs April 18, 2004
adj/ state of being in which one ponders, as a result of confusion or otherwise befuddlement, for prolonged periods of time.
Those Brits laugh at our American ponderance about their magical kingdom of Middle Earth.
by Definitelynotshakespeare August 11, 2012