Validity n. : 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.

Validity n. : 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.

Validity n. : Value.

Example:
What is the difference between content Validity and construct Validity?

Taxonomy
premises, conclusion, Socrates, interpretation, deductive validity, logical truth, valid argument, false conclusion, true premises, logic, truth, logical form, deduction, free encyclopedia, Logical truths, true conclusion, Search, false premises.

Defination from the web:
validity: ... Proposition · Inference · Argument · Validity · Cogency · Explanation · Term logic · Fallacies · Syllogism · Argumentation theory. Philosophy. of logic ...