Synonyms for Conjunctive (same or very similar meaning)
WordNet sense 1 (an uninflected function word that serves to conjoin words or phrases or clauses or sentences):
conjunction, continuativeWordNet sense 2 (involving the joint activity of two or more):
combined, concerted, conjunct, cooperative, unitedWordNet sense 3 (united or combined):
jointWordNet sense 4 (connecting or tending to connect):
connectiveFrom the ODE community, based on WordNetadd/edit