validity

Strength or power in general.

The state or character of being valid.

Legal efficacy or force; sufficiency in point of law.

Scientific strength or force: as, the validity of a genus.

Value.

The quality or state of being valid; strength; force; especially, power to convince; justness; soundness.

Legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity.

Value.

The state of being valid, authentic or genuine.

Having legal force.