Sentence:  Mrs. Reavey 's work is written for the stage - it is mentioned for an off-Broadway production in the fall - and , in addition , <WSD>employs</WSD> an avant-garde structure that particularly needs to be seen if comprehension is to be encouraged . 
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