Sentence:  This piece of advice and the hyperkinetic manner in which it was staged owed less to McCay's <WSD>light-handed</WSD> and dreamily paced fantasy than to the boy wonder of Broadway and the amusement empire that he tried to amass during the first decade of the twentieth century.. 
Meaning of the word marked with <WSD> tags:  Light-hearted; fun and witty or easygoing.