Sentence:  Looking in retrospect over his career, old P. T. Barnum was equally frank, but he had a way of making people unaware of the fact that they were being buncoed while the buncoing was going on. And the <WSD>Barnumizing</WSD> operation of extracting money from the curious will be more successful today if it is made less palapablysic painful. 
Meaning of the word marked with <WSD> tags:  To obtain money through fraudulent or deceitful means; to swindle or con.