Sentence:  When I receive your Lines, my dear Princess, and find there Expressions of a Passion; though Reason and my own Immerit tell me, it must not be for me; yet is the <WSD>Cozenage</WSD> so pleasing to me, that I (brib'd by my own Desires) believe them still before the other. 
Meaning of the word marked with <WSD> tags:  An instance of cozening; a scam.