adjective
also deb·o·naire |debə|na(a)](ə)r, -ne], ]ə\
Etymology: Middle English debonere, from Old French debonaire, from de bon aire, de bonne aire of good family, lineage, or nature
1. archaic : kindly or gentle in disposition or manner : courteous , gracious
debonair and pleasing toward our lieges — Sir Walter Scott
2.
a. : having grace, charm, or urbanity of manner and appearance
b. : lighthearted , carefree
life that is gay, brisk, and debonair — H.M.Reynolds
: nonchalant
his debonair dismissal of serious difficulties — E.M.Earle
• deb·o·nair·ly adverb