Sentence:  in his motherland ; in the spacious hunting grounds of `` Uncle Sam '' ; in the exciting salons of his lovely , brilliant Paris - mistress of gaiety - excess and abandon - world <WSD>theatre</WSD> of new found freedoms in tone , color , dance , design , and thought . 
Meaning of the word marked with <WSD> tags:  a building where theatrical performances or motion-picture shows can be presented