Sentence:  in his motherland ; in the spacious hunting grounds of `` Uncle Sam '' ; in the exciting salons of his lovely , brilliant Paris - mistress of gaiety - <WSD>excess</WSD> and abandon - world theatre of new found freedoms in tone , color , dance , design , and thought . 
Meaning of the word marked with <WSD> tags:  immoderation as a consequence of going beyond sufficient or permitted limits