Lewis & Short

prōnuntĭātīvus (prōnunc-), a, um, adj. [pronuntio], of or belonging to declaration, declarative, enunciative; in gram.: pronuntiativus modus, i. e. the indicative mood, Diom. p. 329 P.
Adv.: prōnuntĭātīvē, declaratively, affirmatively, Don. ad Ter. Phorm. 1, 2, 7.