VIABILITY
viability
(noun) (of living things) capable of normal growth and development
viability
(noun) capable of being done in a practical and useful way
Source: WordNet® 3.1
Etymology
Noun
viability (countable and uncountable, plural viabilities)
The property of being viable; the ability to live or to succeed
Source: Wiktionary
Vi`a*bil"i*ty, n.
Definition: The quality or state of being viable. Specifically: --(a) (Law)
Definition: The capacity of living after birth. Bouvier.
(b) The capacity of living, or being distributed, over wide
geographical limits; as, the viability of a species.
Source: Webster’s Unabridged Dictionary 1913 Edition