Sentence:  After a decade of scorched-earth warfare, Louella ("Lollipop") Parsons had sat down to public lunch with her rival, Hedda Hopper. The <WSD>entente cordiale</WSD> did not last, of 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.