Sentence:  Upon my entrance, Usher rose from a sofa on which he had been lying at full length, and greeted me with a vivacious warmth which had much in it, I at first thought, of an overdone <WSD>cordiality</WSD>—of the constrained effort of the "ennuyé" man of the world. 
Meaning of the word marked with <WSD> tags:  The quality of being cordial.