delude
US /dɪˈluːd/
UK /dɪˈluːd/

1.
engañar, ilusionar
to make someone believe something that is not true
:
•
He tried to delude himself into thinking he was happy.
Intentó engañarse a sí mismo pensando que era feliz.
•
Don't delude yourself into believing that you can do it alone.
No te engañes creyendo que puedes hacerlo solo.