forger (n.) Look up forger at Dictionary.com
late 14c. (early 14c. as a surname), "a maker, a smith," agent noun from forge (v.). Meaning "a counterfeiter, one who makes by false imitation" is from early 15c. In 15c. also "a maker of (coin) money." Another Middle English word for "a forger" was falsarie (mid-15c.).