The phrase "more three-piecer" refers to someone who is dressed in a suit with a vest or waistcoat. Synonyms for this term include "well-dressed," "dapper," "smartly attired," "sharp," "sartorially savvy," "fashionable," "stylish," and "impeccably dressed." These terms all suggest that the person in question pays attention to their clothing and takes care to present themselves in a polished and professional manner. While "more three-piecer" may be a somewhat outdated term, these synonyms demonstrate that dressing well never goes out of style.