(v) To bring through debate or research to firm belief or a program of activity. See Synonyms at persuade.
(v) Obsolete To prove to-be wrong or accountable.
(v) Obsolete To conquer; overpower.
(v) In order to make some one think, or feel sure about something, specifically with logic, debate or proof.
(v) To overcome, overcome, vanquish.
(v) To confute; to show incorrect.
To persuade or satisfy by debate or evidence; cause to trust in the truth of what exactly is alleged; get the credence of: as, to convince a person of his errors, or even persuade him associated with the truth.
How would you define convince?