Sentence:  Bertha Szold <WSD>was</WSD> more like Meg , the eldest March girl , who `` learned that a woman 's happiest kingdom is home , her highest honor the art of ruling it , not as a queen , but a wise wife and mother '' . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)