>CON
con 4 (kŏn) Slang
tr.v. conned, con·ning, cons
To swindle (a victim) by first winning his or her confidence; dupe.
n.
A swindle.
adj.
Of, relating to, or involving a swindle or fraud: a con artist; a con job.
[Short for confidence.]
https://www.thefreedictionary.com/con