Synonyms and related words :
affable, airy, breezy, buoyant, carefree, charming, cheerful, civil, corky, courteous, dapper, dashing, elegant, free and easy, gay, genteel, gracious, insouciant, jaunty, light, light-hearted, lighthearted, lightsome, mannerly, nonchalant, obliging, perky, pleasant, polite, refined, resilient, smooth, soignee, sprightly, suave, urbane, well-bred