Definition: 1. capable of living. 2.(of a fetus) sufficiently developed to be capable of living, under normal conditions, outside the uterus. 3. having the ability to grow or develop. 4. practicable; workable. 5. capable of winning elections.

Example: Without a new source of money, the former governor would not be considered a viable candidate for president.

Synonyms: conceivable, feasible