%foolery%

n.; pl. Fooleries 1. The practice of folly; the behavior of a fool; foolish behavior; absurdity. [ 1913 Webster ]

Folly in fools bears not so strong a note,
As foolery in the wise, when wit doth dote. Shak. [ 1913 Webster ]

2. An act of folly or weakness; a foolish practice; something absurd or nonsensical. [ 1913 Webster ]

That Pythagoras, Plato, or Orpheus, believed in any of these fooleries, it can not be suspected. Sir W. Raleigh. [ 1913 Webster ]