watchword

Definitions of watchword
1

n a secret word or phrase known only to a restricted group

Synonyms:
countersign, parole, password, word
Type of:
arcanum, secret
information known only to a special group
positive identification
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

n a slogan used to rally support for a cause

“our watchword will be `democracy'”
Synonyms:
battle cry, cry, rallying cry, war cry
Type of:
catchword, motto, shibboleth, slogan
a favorite saying of a sect or political group

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