viable

Capable of success or continuing effectiveness; practicable: synonym: possible.

Capable of living, developing, or germinating under favorable conditions.

Capable of living outside the uterus. Used of a fetus or newborn.

Capable of living; likely to live; specifically, capable of continued existence outside of the womb: noting a fetus. Seeviability, 1.

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.