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also deb·o·naire  (dĕb′ə-nâr′)
1. Sophisticated; urbane.
2. Gracious and charming in a cheerful, carefree way.

[Middle English debonaire, gracious, kindly, from Old French, from de bon aire, of good lineage or disposition : de, of (from Latin ; see de-) + bon, bonne, good (from Latin bonus; see deu- in Indo-European roots) + aire, nest, family; see aerie.]

deb′o·nair′ly adv.
deb′o·nair′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Or has different aims, even given the often humorously witty surface, debonairly urbane (& more open in terms of the language he uses) as any O'Hara poem, especially in matters of the sexual.
The training partners received permission to gallop Debonairly, English and Serena Bay but instead worked Fabrizio, Sort After and Stampede, whose riders wore the same colours usually associated with the nominated horses.
Thus a sort of nostalgia compelled me to order a meal that would have been judged the height of sophistication in the days when Jason King was debonairly cracking crime and we were too innocent to imagine that his moustache suggested anything other than rampant heterosexuality.
There's a hint of the glitter and swirl of city life: the debonairly gliding clarinet looks forward to the jazzy character who kicks off Gershwin's Rhapsody in Blue.
VOLVO have turned back the clock to come up with a car that's so cool that you could almost imagine Roger Moore sitting debonairly in the driver's seat.