watchword Synonyms

secret message buzz word catchphrase catch phrase buzzword key word war whoop war cry rallying cry battle cry open sesame words code name code word key phrase pass code code words secret writing safe word rebel yell passphrase passcode keyword tagline codeword word slogan signal mantra formula dictum cue cry countersign catchword byword beacon banner adage maxim moto sign shibboleth saying proverb pibroch phrase paternoster password pass-parole