a. Obs. rare1. [f. EXCUSE v. + -IVE.] That tends to excuse; excusing.
1592. Nobody & Someb. (1878), 288. Our eares are deafe to all excusive pleas.
Hence † Excusively adv.
1641. Disc. Prince Henry, in Harl. Misc. (Malh.), III. 522. To the first, he gave answers satisfactorily.To the other, excusively.