a secret word or expression used by authorized persons to prove their right to access, information, etc.
a word or other string of characters, sometimes kept secret or confidential, that must be supplied by a user in order to gain full or partial access to a multiuser computer system or its data resources.
a secret word, phrase, etc, that ensures admission or acceptance by proving identity, membership, etc
an action, quality, etc, that gains admission or acceptance
a sequence of characters used to gain access to a computer system