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