1) verb: When multiple parties accord that they have/will not reconcile(d) a dispute.
2) verb: What many urbandictionary.com users have done in reference to another user's definition of 'agree to disagree'.
1) If people with leftist views agree to disagree with the views of right-wingers, and vice versa, I'm not too sure they will have anything to talk about.
2) 954 thumbs up to 3669 down?? I'd say that most people will agree to disagree with Calvin the Great, wouldn't you?