alias (Noun) — A name that has been assumed temporarily.
alias (Verb) — (technical) have a signal at frequency appear as a different frequency due to inadequate sampling.
alias (Verb) — (computing) give an additional equivalent name to an entity, for example one that's more user-friendly.
alias (Adverb) — As known or named at another time or place. ex. "Mr. Smith, alias Mr. Lafayette"