copulative
1 of 2adjective
cop·u·la·tive ˈkä-pyə-lə-tiv 
-ˌlā-
1
a
: joining together coordinate words or word groups and expressing addition of their meanings
a copulative conjunction
b
: functioning as a copula
2
: relating to or serving for copulation
copulative
2 of 2noun
: a copulative word
Word History
First Known Use
Adjective
14th century, in the meaning defined at sense 1a
Noun
1530, in the meaning defined above