* Alias: This is the most common term, especially for a false name used to conceal one's true identity.
* Pseudonym: This term is often used for writers, artists, and musicians who choose to use a different name for their work.
* Nom de plume: Similar to pseudonym, this term is specifically used for writers.
* Persona: This term implies a more elaborate and carefully constructed identity, often used in psychology and social sciences.
* Alter ego: This term suggests a separate and distinct personality, often associated with superheroes or fictional characters.
* Incognito: This term implies someone is deliberately concealing their identity, often to avoid recognition.
* Disguise: This term refers to the physical changes used to alter someone's appearance, such as a costume or makeup.
The specific term used will depend on the specific situation and the intention behind the assumed identity.