adv. [f. prec. + -LY2.] In an assertive manner, by way of assertion, positively, dogmatically.
1562. Bp. Exeter, in Strype, Ann. Ref., I. xxxi. 348. Which they all with one universal consent have assertively written.
1653. Manton, Exp. James iii. 2, Wks. IV. 277. Or you may take it positively and assertively … ‘If you offend not in word you are perfect.’
1860. Goodwin, Ess. & Rev. (ed. 2), 250. If he speaks of the same phenomena assertively, we are bound to suppose that things are as he represents them.
