Foolery

Part of speech: noun (n.)

1. The practice of folly; the behavior of a fool; absurdity. Folly in fools bears not so strong a note, As foolery in the wise, when wit doth dote. Shak.

2. An act of folly or weakness; a foolish practice; something absurd or nonsensical. That Pythagoras, Plato, or Orpheus, believed in any of these fooleries, it can not be suspected. Sir W. Raleigh.