a. [f. ALLEGE v.2 + -ABLE.] Capable of being alleged or adduced as evidence, authority, excuse, etc.
1542. Henry VIII., Declar., 206. The passing ouer of tyme is not allegable in prescription for the losse of any right.
a. 1656. Hales, Gold. Rem. (1688), 464. Notwithstanding any reason alledgable against it.
a. 1716. South, 12 Serm., Wks. 1717, V. 36. Is there so much as the least Shadow of excuse alledgeable. [In Johnson and mod. Dicts.]