Synonyms for Catchphrase:

n.

citation, cheer, battle cry, binomial, aphorism, cite, axiom. catchphrase (noun)
catch phrase.
motto (noun)
slogan.
phrase (noun)
euphemism, phrase, locution, epigram, idiom, paragraph, slogan, motto, terminology, expression, adage, metaphor, maxim, proverb, figure of speech, phraseology, mannerism, sentence, clause, Verbalism, cliche.

Other synonyms:

axiom, battle cry, aphorism. cheer, cite, binomial. citation. Other relevant words:
axiom, aphorism, cheer, binomial, catch phrase.