delude
US /dɪˈluːd/
UK /dɪˈluːd/

1.
illudere, ingannare
to make someone believe something that is not true
:
•
He tried to delude himself into thinking he was happy.
Ha cercato di illudersi pensando di essere felice.
•
Don't delude yourself into believing that you can do it alone.
Non illuderti di poterlo fare da solo.