WordNet: copula, copulative, linking verb

an equating verb (such as `be' or `become') that links the subject with the complement of a sentence

• hypernym verb

copula

• (englanti) copular (derivationally related)
• (suomi) kopula (synonyymi)

copulative

• (englanti) copulative (derivationally related)
• (suomi) kopula- (synonyymi)

linking verb

• (suomi) vaillinainen verbi (synonyymi)