† sciˈbilityObs. [f. L. scībilis knowable (here taken in the active sense = able to know), f.scīre to know: see -ble and -ity.] Power of knowing. 1677Gale Crt. Gentiles iv. ii. v. 332 That God doth not know things future by the Infinitie or Immensitie of his own Scibilitie or Scientivitie.