fantasize

verb2

1. •
   To indulge in fantasy; to imagine things only possible in fantasy.

   • I fantasized about my ideal date.
2. •
   To portray in the mind, using fantasy.

   • Not that Mom and I didn't have our "shared experiences" — it's just that I'd like to forget most of them. I'd rather fantasize us together in that little cafe. — 1984