A vocal answer to an attack on one's assertions.
An act of refuting or disproving; the disproving of an argument, opinion, testimony, doctrine or theory by argument or countervailing proof; evidence of falseness.
A declaration or assertion.
A solemn promise to perform some act, or behave in a specified manner, especially a promise to live and act in accordance with the rules of a religious order.
To declare publicly that one has made a vow, usually to show one's determination or to announce an act of retaliation.
To make a vow; to promise.
To make a vow regarding (something).