validity
US /vəˈlɪd.ə.t̬i/
UK /vəˈlɪd.ə.t̬i/
1.
the state of being legally or officially binding or acceptable
:
•
The validity of the contract was questioned by the court.
•
We need to check the validity of your passport.
2.
the quality of being logically or factually sound; cogency
:
•
The scientist questioned the validity of the experimental results.
•
Her argument lacked validity and was easily refuted.