a. [ Cf. F. concevable. ] Capable of being conceived, imagined, or understood. “Any conceivable weight.” Bp. Wilkins. [ 1913 Webster ]
It is not conceivable that it should be indeed that very person whose shape and voice it assumed. Atterbury.
-- Con*ceiv"a*ble*ness, n. -- Con*ceiv"a*bly, adv. [ 1913 Webster ]