The Collaborative International Dictionary of English v.0.48:
Coquettishly \Co*quet"tish*ly\, adv. In a coquettish manner. [1913 Webster]WordNet (r) 3.0 (2006):
coquettishly adv 1: in a flirtatious manner; "she smiled coquettishly" [syn: coquettishly, flirtatiously]