D defs.my
Entry 3 senses Webster, 1913

Validity

/vəl-ĭd'-ət-ē/ · Va·lid·i·ty · IPA /[vəˈlɪɾ.ɪ~ə.ti]/
01 n. The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument o…
  1. 1.
    The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument or proof; the validity of an objection.
  2. 2.
    Legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity; as, the validity of a will; the validity of a contract, claim, or title.(Law)
  3. 3.
    Value.[Obs.]