Viability :: Viability (n.) The quality or state of being viable.
Viability :: Viability (n.) The capacity of living after birth.
Viability :: Viability (n.) The capacity of living, or being distributed, over wide geographical limits; as, the viability of a species..
Viable :: Viable (a.) Capable of living; born alive and with such form and development of organs as to be capable of living; -- said of a newborn, or a prematurely born, infant..