Sentence:  This view is reflected in the novelist's stock portrait of the white-man-in-exile's dusky mistress; an <WSD>acquiescent</WSD> shadow, who comes to life only if thrown aside, when, sinister and vindictive, she is ready with the wasting poison. 
Meaning of the word marked with <WSD> tags:  willing to acquiesce, accept or agree to something without objection, protest or resistance