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Of the nature of a pronouncement; declarative; characterized by pronouncement.
Early 17th century; earliest use found in Arthur Gorges (d. 1625), poet and translator. From post-classical Latin pronuntiativus indicative (from 3rd century in grammarians), dogmatic (although this is apparently first attested slightly later: 1622 in a British source) from classical Latin prōnuntiāt-, past participial stem of prōnuntiāre + -īvus.