Sentence:  The company which performed the Pulitzer Prize musical here last night and will repeat it twice today <WSD>is</WSD> full of bounce , the politicians are in fine voice , the chorines evoke happy memories , and the Little Flower rides to break a lance again . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)