Definition for Validity:

• The state or quality of being founded on fact; soundness; justness; legality.

Synonyms for Validity:

• n.

  •
  • truthfulness,
  • authenticity,
  • genuineness,
  • realness,
  • true.
  •believability (noun)
  • creditability.
  •certainty (noun)
  • staunchness,
  • Authoritativeness.
  •credibility (noun)
  • reliability,
  • trustworthiness.
  •effect (noun)
  • efficacy.
  •genuineness, lawfulness (noun)
  • force,
  • legality,
  • strength,
  • point,
  • right,
  • validness,
  • efficacy,
  • legitimacy,
  • substance,
  • weight,
  • gravity,
  • potency,
  • foundation,
  • punch,
  • cogency,
  • grounds,
  • power,
  • authority,
  • effectiveness,
  • soundness,
  • persuasiveness.
  •influence (noun)
  • effectiveness.
  •legality (noun)
  • Constitutionality,
  • lawfulness,
  • licitness,
  • permissibility,
  • Legitimateness.
  •legitimacy (noun)
  • legality,
  • legitimacy.
  •reality (noun)
  • substantiality.
  •soundness (noun)
  • gravity,
  • efficacy,
  • legality.
  •validity (noun)
  • rigor,
  • rigour,
  • validness,
  • cogency.

• Other synonyms:

  •
  • genuineness,
  • authenticity,
  • realness.
  •
  • justice.
  •
  • truthfulness.
  •authenticity
  • lawfulness.
  •legitimacy
  • legality.
  •Other relevant words:
  • enforce,
  • pizzazz,
  • favorableness,
  • pleasantness,
  • niceness,
  • class,
  • power pack,
  • justness,
  • profitableness,
  • full force,
  • benignity,
  • Mana,
  • invincibility,
  • Ableness,
  • kindness,
  • forcefulness,
  • value,
  • fineness,
  • justiciability,
  • superpower,
  • impregnability,
  • licitness,
  • persistence,
  • Justifiableness,
  • benevolence,
  • steam,
  • Black Power,
  • grace,
  • excellence,
  • advantageousness,
  • hardship,
  • might,
  • scope,
  • dint,
  • jurisdiction,
  • sufficiency,
  • energy,
  • clout,
  • intensity,
  • solidity,
  • puissance,
  • stability,
  • virility,
  • charisma,
  • worth,
  • cogence,
  • virtuousness,
  • virulence,
  • potentiality,
  • moxie,
  • actionability,
  • constitutionalism,
  • first-rateness,
  • influence,
  • duress,
  • desert,
  • sinew,
  • wholeness,
  • truth,
  • rightfulness,
  • truthfulness,
  • superiority,
  • poop,
  • Goodliness,
  • secureness,
  • admissibility,
  • Constitutionality,
  • staunchness,
  • reliability,
  • skillfulness,
  • authority,
  • expedience,
  • power,
  • significance,
  • applicability,
  • efficiency,
  • calculability,
  • rigourousness,
  • effectiveness,
  • massiveness,
  • inclemency,
  • hardihood,
  • auspiciousness,
  • security,
  • strength,
  • fairness,
  • soundness,
  • severity,
  • usefulness,
  • flower power,
  • effectuality,
  • vigour,
  • substance,
  • charge,
  • true,
  • steadfastness,
  • weight,
  • Legitimateness,
  • hardness,
  • justice,
  • agreeableness,
  • productiveness,
  • power structure,
  • stiffness,
  • wattage,
  • persuasiveness,
  • vitality,
  • force majeure,
  • firmness,
  • beef,
  • trustworthiness,
  • dependability,
  • legality,
  • helpfulness,
  • legal form,
  • brute force,
  • believability,
  • vim,
  • Potence,
  • quality,
  • due process,
  • power struggle,
  • reality,
  • vigor,
  • productivity,
  • hardiness,
  • might and main,
  • legalism,
  • point,
  • availability,
  • meritoriousness,
  • potency,
  • compulsion,
  • accuracy,
  • predictability,
  • competency,
  • grimness,
  • severeness,
  • amperage,
  • Allowableness,
  • asperity,
  • legitimacy,
  • virtue,
  • Armipotence,
  • Enablement,
  • Intricateness,
  • Beneficialness,
  • Warrantableness,
  • daring,
  • realness,
  • ability,
  • effect,
  • robustness,
  • correctness,
  • push,
  • drive,
  • Prepotency,
  • validation,
  • gravity,
  • harshness,
  • foundation,
  • powerfulness,
  • full blast,
  • grounds,
  • legal process,
  • lawfulness,
  • steadiness,
  • merit,
  • right,
  • authenticity,
  • efficacy,
  • genuineness,
  • substantiality,
  • vantage ground,
  • healthiness,
  • certainty,
  • plausibility,
  • Authoritativeness,
  • punch,
  • credibility,
  • rigorousness,
  • force,
  • lustiness,
  • boldness,
  • mightiness,
  • permissibleness,
  • permissibility,
  • vehemence,
  • pull,
  • goodness,
  • creditability.

Antonyms for Validity:

• n.

  • genuineness, lawfulness
    weakness, lethargy, uselessness, invalidity, ineffectiveness, impotence, incompetence.