Power or capacity to produce a desired effect; effectiveness.
Gravitation, esp. terrestrial gravitation; force that tends to draw all bodies in the earth's sphere toward the center of the earth
The quality or state of being authentic; reliability; genuineness
Find another word for validity. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for validity, like: soundness, efficacy, gravity, legality, cogency, effectiveness, force, genuineness, legitimacy, potency and strength.