A pseudonym is a name that someone, often a writer, uses instead of their real name. The real name of Dr. Seuss was Theodore Seuss Geisel. Mark Twain was a pseudonym for the writer Samuel Clemens.

A near synonym of pseudonym is pen name. Similarly, an allonym is the name of an important person in history that is taken by a writer as a pseudonym. Some of Shakespeare's plays might have been written by other writers using an allonym. If an actor uses a fake name, it is usually called a stage name. And there's no fancy work for nickname — it's just what your family and friends call you.

Definitions of pseudonym
  1. noun
    a fictitious name used when the person performs a particular social role
    synonyms: anonym, nom de guerre
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    stage name
    the pseudonym of an actor
    nom de plume, pen name
    an author's pseudonym
    type of:
    a language unit by which a person or thing is known
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