To refuse to accept (evidence) as valid.
To expel; to put out.
To omit from consideration.
To bar (someone or something) from entering; to keep out.
To eliminate from diagnostic consideration.
To ratify; to make valid.
To penalize (a state etc.) with sanctions.
To give official authorization or approval to; to countenance.
An approval, by an authority, generally one that makes something valid.
A penalty, punishment, or some coercive measure, intended to ensure compliance; especially one adopted by several nations, or by an international body.
A law, treaty, or contract, or a clause within a law, treaty, or contract, specifying any of the above.