Meaning of viable

vi•a•ble

1. capable of living.
1. physically fitted to live.
2. (of a fetus) having reached such a stage of development as to be capable of living, under normal conditions, outside the uterus.
3. able to live and grow.
4. vivid; real; stimulating, as to the intellect, imagination, or senses: a period of history that few teachers can make viable for students.
5. practicable; workable: a viable alternative.
6. having the ability to grow, expand, develop, etc.: a new and viable country.