Sentence:  My aim in mentioning this factor obviously is not to give license to `` wild therapy '' but rather to encourage us to <WSD>use</WSD> the time-honored clinical casework skills we already possess , and to use them with greater confidence , precision , and professional pride . 
Meaning of the word marked with <WSD> tags:  put into service; make work or employ for a particular purpose or for its inherent or natural purpose