forgery

noun

1. (countable, uncountable)The act of forging metal into shape.

   “the forgery of horseshoes”

2. (countable, uncountable)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”

   “Such a scandal as the prosecution of a brother for forgery—with a verdict of guilty—is a most truly horrible, deplorable, fatal thing. It takes the respectability out of a family perhaps at a critical moment, when the family is just assuming the robes of respectability: […] it is a black spot which all the soaps ever advertised could never wash off.”

3. (countable, uncountable)That which is forged, fabricated, falsely devised or counterfeited.
4. (archaic, countable, uncountable)An invention, creation.