The term "sham" is a noun that refers to something that is not genuine or authentic. It can also be used to describe a fake or false object or person. Several synonyms for the word "sham" include pretense, charade, imposture, counterfeit, simulation, and forgery. A pretense is an act that is put on to deceive others. A charade is a game or puzzle where participants must guess the answer. An imposture is a fake or fraudulent representation of oneself or something else. A counterfeit is a copy that is meant to look like the original. A simulation is a model or representation of something. Lastly, a forgery is a false or altered document or object made to deceive.