Sentence:  Costumed as Whittington's beloved cat, in a knee-length black cloak that swirled around tight broadcloth trousers and jack boots, she trod the floor with a <WSD>gamely</WSD> dignity that cast all the requisite princesses and pretty shepherdesses in a pale light. 
Meaning of the word marked with <WSD> tags:  Sportive; lively; joyful.