infatuated

adjective3

1. •
   Foolishly or unreasoningly fond of, attracted to or in love with (someone); besotted.

   • […] I did not know her then, or I could never have been so infatuated as I was, to a creature so every way her inferior […] — 1771
2. •
   Excessively fond of or enthusiastic about (something).

   • She was one of those people who are infatuated with patent medicines and all new-fangled methods of producing health or mending it. — 1876
3. •
   (no longer used) Foolish, stupid, lacking good judgment (often as a result of some external influence).

   • […] that people must needs be madd or strangely infatuated, that build the chief hope of thir common happiness or safetie on a single person […] — 1660