欺骗

You're deceiving yourself.

She cheated him by flattery.

The bookkeeper deceived his boss by manipulating the accounts.

resort to deception; play/try/use tricks

political dishonesty

cheat each other

deliberately/purposely deceive sb

fraudulent act

be taken in by sb's story

deceive/cheat/defraud consumers

befuddle world opinion

deceive/cheat the public; commit a fraud upon the public

deceive those who do not know the truth; deceive those who are not aware of the facts