copulative
1. cop.u.la.tive \'ka:p-y*-.la-t-iv\ aj 1a: joining together coordinate words or word groups and expressing additi on of their meanings {~ conjunction} 1b: functioning as a copula 2: relating to or serving for copulation 3: of or relating to coupling of chemical compounds or radicals - cop.u.la.tive.ly av 2. copulative n : a copulative word or word group