To present (a viewpoint or an argument therefor).
To have an argument, a quarrel.
To debate, disagree, or discuss opposing or differing viewpoints.
To show grounds for concluding (that); to indicate, imply.
To supply or be evidence of.
To affirm to be correct, true, or genuine.
To certify in an official capacity.
To put under oath.
To certify by signature or oath.