Sentence:  A recent newspaper report said there were five Negroes in the 1960 graduating class of nearly one thousand at Yale ; that is , about one-half of one per cent , which looks pretty `` tokenish '' to me , especially in an institution which professes to <WSD>be</WSD> `` national '' . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)