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Noun: validity  vu'li-di-tee
  1. The quality of being valid and rigorous
    - cogency, rigor [US], rigour [Brit, Cdn]
  2. The quality of having legal force or effectiveness
    - validness
  3. The property of being strong and healthy in constitution
    - robustness, hardiness, lustiness

Derived forms: validities

Type of: believability, credibility, credibleness, legality, strength

Encyclopedia: Validity