Debonair

Adjective

 * 1)  Gracious, courteous.
 * 2) *1590, Edmund Spenser, The Faerie Queene, II.vi:
 * Let be that Ladie debonaire, / Thou recreant knight, and soone thy selfe prepaire / To battell [...].
 * 1) suave, urbane and sophisticated
 * 2) (especially of men) charming, confident and carefully dressed

Synonyms for Debonair
buoyant, jaunty, gracious, lively, sprightly, gay, elegant, urbane.

Antonyms for Debonair
clumsy, awkward, maladroit.

Thesaurus
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

Etymology
de bon air "having good appearances"

Anagrams

 * diborane