|Noah Webster's Dictionary|
(v. t.) To overwhelm by argument; to refute conclusively; to prove or show to be false or defective; to overcome; to silence.
Confute (2 Occurrences)
Titus 1:9 holding -- according to the teaching -- to the stedfast word, that he may be able also to exhort in the sound teaching, and the gainsayers to convict; (See RSV)
Isaiah 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their due reward from Me, saith the LORD. (See RSV)