validity
//vəˈlɪdɪti//
Noun
validitySingular
validitiesPlural
1
The quality of being logically or factually sound; the state of being well-grounded or justifiable.
The researchers questioned the validity of the study's conclusions.
2
The state of being legally or officially acceptable or binding.
The validity of the contract was confirmed by the lawyer.
3
The extent to which a concept, conclusion, or measurement is well-founded and accurately corresponds to the real world.
The researchers questioned the validity of the experiment's results.