Sentence:  And it was clear that Adrien <WSD>was</WSD> not mistaken , for both Small and Cromwell took no step toward aiding in the sending up of the new topgallant mast till Philip Spencer had given the signal to obey . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)