Synonyms: parole, password, countersign, word, watchword
Definition: a secret word or phrase known only to a restricted group
Usage: he forgot the password
Similar words: arcanum, secret
Definition: information known only to a special group
Usage: the secret of Cajun cooking
Similar words: positive identification
Definition: evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance
Usage: a system for positive identification can prevent the use of a single identity by several people