Sentence:  For lawyers , reflecting perhaps their parochial preferences , there has been a special fascination since then in the role played by the Supreme Court in that transformation - the manner in which its decisions <WSD>altered</WSD> in `` the switch in time that saved nine '' , President Roosevelt 's ill-starred but in effect victorious `` Court-packing plan '' , the imprimatur of judicial approval that was finally placed upon social legislation . 
Meaning of the word marked with <WSD> tags:  cause to change; make different; cause a transformation