Lewis Short
(adjective) : conjunctīvus, a, um, id.
* Of connection or serving to connect, connective (in post-class. gram. lang.): particula (sc. autem),Tert. adv. Hermog. 26.—Esp. freq.: conjunctivus modus, or absol.: conjunc-tīvus, i, m., the conjunctive or subjunctive mood, Mart. Cap. 3, § 310 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary