delude (someone or oneself) into (something)
To cause someone to believe something that is not true. I don't know how she deluded herself into thinking that she could continue to live in this dangerous neighborhood. My husband had deluded me into thinking that he had forgotten my birthday so that he could surprise me with a party.
delude someone into something
to fool someone into thinking something. You can't delude me into believing you. Todd deluded himself into believing he was back at home.