Sentence:  `` There had been a threesome at the party in the suite 's bedroom : Miss Harrington ( this <WSD>was</WSD> Diane 's choice for a Roman name ) , another woman who has figured in other very interesting events and one of your well-known American actors . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)