pos>a. [ L. excusabilis: cf. F. excusable. See Excuse. ] That may be excused, forgiven, justified, or acquitted of blame; pardonable; as, the man is excusable; an excusable action. -- Ex*cus"a*ble*ness, n. -- Ex*cus"a*bly, adv. [ 1913 Webster ]
The excusableness of my dissatisfaction. Boyle. [ 1913 Webster ]