Forgery

noun

1. The act of forging metal into shape.

   "the forgery of horseshoes"

2. The act of forging, fabricating, or producing falsely; especially the crime of fraudulently making or altering a writing or signature purporting to be made by another, the false making or material alteration of or addition to a written instrument for the purpose of deceit and fraud.

   "the forgery of a bond"

3. That which is forged, fabricated, falsely devised or counterfeited.
4. An invention, creation.