Source : Webster's Revised Unabridged Dictionary (1913)

Jauntiness \Jaun"ti*ness\, n.
   The quality of being jaunty.

         That jauntiness of air I was once master of. --Addison.

Source : WordNet®

jauntiness
     n 1: stylishness as evidenced by a smart appearance [syn: {nattiness},
           {dapperness}, {rakishness}]
     2: a breezy liveliness; "a delightful breeziness of manner"
        [syn: {breeziness}]