Abbreviation for the term Also Known As, also an acronym for the same. Synonymous with A.K.A. Often used to show two or more names for the same person, place or thing. Sometimes used in place of words and phrases with similar meaning, but a different connotation, such as: alias, nickname, author pseudonym, assumed name, working name, legalized name, pen name, noms des plume, nom de guerre, maiden name, assumed name, otherwise called, false name.