viable

Concise Oxford English Dictionary © 2008 Oxford University Press:
viable /ˈvʌɪəb(ə)l/

▶adjective

• 1 capable of working successfully; feasible.

• 2 Biology (of a plant, animal, or cell) capable of surviving or living successfully.

  ■ Botany (of a seed or spore) able to germinate.

  ■ Medicine (of a fetus or unborn child) able to live after birth.

– derivatives
viability noun,
viably adverb.

– origin C19: from Fr., from vie ‘life’.