a. Also -able. [f. as prec. + -IBLE.] That may be averted; preventable.
1658. Osborn, Jas. I. (1673), 502. No ways avertible but by his Death.
1874. W. R. Greg, Rocks Ahead, Pref. 26. However avertable, they will not be averted.
1880. Kinglake, Crimea, VI. viii. 171. The evils thus superadded may in one sense be called ‘avertible.’
