Multiple choice

n. ability to be done in a practical or useful way

  1. vital

  2. validated

  3. warranted

  4. viability

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

"Viability" is the noun form of "viable" and refers to the ability to survive, grow, or be done in a practical and successful way. The other options are adjectives or verbs.