Sentence:  The new and surprising <WSD>entente cordiale</WSD> between Sir Alex Ferguson and Arsène Wenger, whose mutual antipathy has been a recurring feature of the Premier League era, appears to have its roots on a Scottish golf course. 
Meaning of the word marked with <WSD> tags:  A friendly relationship, especially one between parties who might otherwise be adversaries or, at least, wary of one another.