\Ref"ra*ga*ble\ (r?f"r?*g?*b'l), a. [LL. refragabilis, fr. L. refragari to oppose.] Capable of being refuted; refutable. [R.] -- {Ref"ra*ga*ble*ness}, n. [R.] -- {Ref`*ra*ga*bil"i*ty} (-b?l`?*t?), n. [R.]