con
1. con \'ka:n\ vt or conned; or con.ning [ME connen to know, learn, study, alter. of cunnen to know, infin.]of can - more at CAN 1: to study or examine closely : PERUSE 2: to commit to memory 2. con var of CONN 3. con av [ME, short for contra] : on the negative side : in opposition 4. con n 1: an argument or evidence in opposition 2: the negative position or one holding it 5. con aj : CONFIDENCE 6. con vt or conned; or con.ning [5con] 1: SWINDLE 2: COAX, CAJOLE 7. con n [short for consumption] slang : a destructive disease of the lungs; esp : TUBERCULOSIS
Webster's English Dictionary