SYNONYMS
suave, urbane, sophisticated, cultured, self-possessed, self-assured, confident, charming, gracious, well mannered, civil, courteous, gallant, chivalrous, gentlemanly, refined, polished, well bred, genteel, dignified, courtly
well dressed, well groomed, well turned out, elegant, stylish, smart, dashing, dapper, spruce, trim, attractive
soigné
informal smooth, swish, swanky, snappy, sharp, cool
North American informal spiffy, fly
US informal on fleek
dated mannerly
archaic trig, gentle