1. (n.) The quality or state of being viable.

2. (n.) The capacity of living after birth.

3. (n.) The capacity of living, or being distributed, over wide geographical limits; as, the viability of a species.

acceptability achievability actability activation adequacy admissibility agreeability animal spirits animate existence animation attainability being alive birth compassability existence feasibility having life immortality life lifetime liveliness living long life longevity manageability maneuverability manipulatability negotiability operability performability practicability practicality reactivation realizability satisfactoriness spriteliness sufficiency superability surmountability tenability tolerability unexceptionability unobjectionability viableness vitality vivacity workability