You can refer to a forged document, bill, or painting as a forgery. The letter was a forgery.Synonyms of 'forgery'. Defamation, fraud, false light and forgery laws already address the potential of deceptive expression to cause real harm. From Los Angeles Times. All Rights Reserved. Forgery is defined as the creation, modification, use, or possession of a fake paper or document with the intent to commit fraud. Fake. Paid for, inauthentic. Other. Dropping a Class Drop dates are listed in the calendar, in the class schedule and on-line.