forgery

Short definition from Wiktionary

Noun

1. 1
   The act of forging metal into shape.
2. 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.
3. 3
   That which is forged, fabricated, falsely devised or counterfeited.
4. 4
   An invention, creation.