The Oxford Thesaurus An A-Z Dictionary of Synonyms - well-knownadj.

1) known, familiar, (well-) established, acknowledged, customary, everyday: Plain salt is a well-known remover of wine stains. 2) famous, noted, notable, celebrated, renowned, illustrious, famed, prominent, eminent, pre-eminent: The scandal linked a former Cabinet Minister with several well-known City names.