pseudonym

noun

Etymology: Back-formation from pseudonymous, from French pseudonyme (“pseudonymous”, adjective), from Ancient Greek ψευδώνυμος (pseudṓnumos), from ψευδής (pseudḗs, “false”) and ὄνυμα (ónuma), a dialectal form of ὄνομα (ónoma, “name”). By surface analysis, pseudo- + -onym.

1. A fictitious name (more literally, a false name), as those used by writers and movie stars.

   “The Reverend Charles Lutwidge Dodgson wrote "Alice's Adventures in Wonderland" under the pseudonym Lewis Carroll.”

   “I doubt, indeed, whether I should not abandon the struggle altogether—leave this sad world of ordinary life for which I am so ill fitted, abandon the name of Cummins for some professional pseudonym, complete my self-effacement, and—a thing of tricks and tatters, of posing and pretence—go upon the stage.”