Sentence:  One old gentleman, who was in the habit of reading a Paris newspaper and knew things, chuckled gleefully to everybody that Alcée's conduct was altogether chic, mais chic. That he had more <WSD>panache</WSD> than Boulanger. Well, perhaps he had. 
Meaning of the word marked with <WSD> tags:  Flamboyance, energetic style or action; dash; verve.