From WordNet (r) 2.0 (August 2003) [wn]:
jaunty
adj 1: marked by smartness in dress and manners; "a dapper young
man"; "a jaunty red hat" [syn: dapper, dashing,
natty, raffish, rakish, smart, spiffy,
snappy, spruce]
2: having a cheerful, lively, and self-confident air; "looking
chipper, like a man...diverted by his own wit"- Frances G.
Patton; "life that is gay, brisk, and debonair"-
H.M.Reynolds; "walked with a jaunty step"; "a jaunty
optimist" [syn: chipper, debonair, debonaire]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Jaunty \Jaun"ty\, a. [Compar. Jauntier; superl. Jauntiest.]
[Formerly spelt janty, fr. F. gentil. See Gentle, and cf.
Genty.]
Airy; showy; finical; hence, characterized by an affected or
fantastical manner.
[1913 Webster]