a. and sb. rare. [f. AUGMENT v. + -IVE: cf. arrestive, etc.] = AUGMENTATIVE (which shows the more usual type).
1413. Lydg., Pylgr. Sowle, IV. xxvii. 72. The sowle hath also power nutritif and augmentif.
1602. W. Watson, Decacorden, 305. For the most advancement of our nobles, and augmentive florish of the whole common wealth.
1816. J. Gilchrist, Philos. Etym., 115. The augmentives are ard, est, er, some, ous, [etc.].