Deceive (verb)

1. Cause (someone) to believe something that is not true, especially in order to gain some personal advantage.
2. Be false or misleading to (someone).

Origin:

Late middle english: from old french deceivre, from latin decipere "catch, cheat", from de- "completely" + capere "take".

Examples:

1. He deceived her by pretending to be someone else.
2. She deceived him by hiding the truth.
3. The company deceived the customers by making false claims.
4. The politician deceived the voters by making false promises.
5. The product deceived the customer with false advertising.