To affirm to be correct, true, or genuine.
To certify in an official capacity.
To put under oath.
To supply or be evidence of.
To certify by signature or oath.
To assert that something is not true.
To disclaim connection with, responsibility for, etc.; to refuse to acknowledge; to disown; to abjure; to disavow.
To refuse to give or grant something to someone.
To disallow or reject.
To take something away from someone; to deprive of.
To prevent from scoring.