Sentence:  Vladilen Semenov , a fine `` danseur noble '' ; Konstantin Shatilov , a great character dancer ; and Inna Zubkovskaya , an excellent Lilac Fairy , <WSD>were</WSD> other outstanding members of the cast , but every member of the cast was magnificent . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)