Sentence:  With these gadgets - impressive to the gullible because of their flashing light bulbs , ticks , and buzzes - he then carries out a vicious medical con game , capitalizing on <WSD>people</WSD> 's respect for the electrical and atomic wonders of our scientific age . 
Meaning of the word marked with <WSD> tags:  (plural) any group of human beings (men or women or children) collectively