Sentence:  One <WSD>is</WSD> so accustomed to think of men as the privileged who need but ask and receive , and women as submissive and yielding , that our sympathies are usually enlisted on the side of the man whose love is not returned , and we condemn the woman as a coquette . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)