Debonair
Debonair , adjective
[Old English debonere, Old French de bon aire, debonaire, of good descent or lineage, excellent, debonair, French débonnaire debonair; de of (Latin de) + bon good (Latin bonus) + aire. See Air, and Bounty, and compare Bonair.]
Characterized by courteousness, affability, or gentleness; of good appearance and manners; graceful; complaisant.
Was never prince so meek and debonair.