Sentence:  It was enough for people to know that at one time he had looked down the street at the fleshy <WSD>suppleness</WSD> of a woman he had consumed - watching her become thinner and thinner in the distance , as thin as the seams on her stockings , and still thinner . 
Meaning of the word marked with <WSD> tags:  the gracefulness of a person or animal that is flexible and supple