byword

1 an often stated observation regarding something from common experience Mom's favorite byword is “You can get more flies with honey than with vinegar” Synonyms adage, aphorism, apothegm, saying, epigram, maxim, proverb, saw, sententia, wordRelated Words bromide, cliché (also cliche), commonplace, platitude, wheeze; expression, felicity; axiom, motto, precept, truism, truth; formula; comment, note, reflection, remark

2 the most perfect type or example nationally, Beverly Hills' Rodeo Drive has become a byword for luxury retailing Synonyms acme, apotheosis, beau ideal, quintessence, classic, epitome, exemplar, ideal, perfectionRelated Words archetype, model, prototype; paradigm, standard; nonpareil, paragon; abstract, avatar, embodier, embodiment, incarnation, incorporation, manifestation, personification; height, last word, meridian, ultimate, zenith; benchmark, criterion, touchstone, yardstick