Synonyms of well-known

1 Syllable

name, known, big, vip, wk, star

2 Syllables

bigshot, large, famous, big-name, public, big-shot, world-class, glorious, celeb, common, leading, noted, splashy, steller, four-star, high-up

3 Syllables

outstanding, important, notable, popular, notorious, hundred-proof, page-oner, lionlike, well-thought-of, renowned, infamous, distingue, laureate, commutual, celebrious, acclaimed, nameable, leonine, redoubted, superstar, splendorous, eminent, out-of-sight, illustrious, prominent, conspicuous, honored, historic, distingué, proverbial, top-level, high-level

4 Syllables

conventional, unquestioned, socialistic, communistic, somebody, celebrated, discovered, distinguished, reputable, out-of-this-world, recognized, high-profile

5 Syllables

much-publicized