infatuated

Short definition from Wiktionary

Verb

1. 1
   simple past and past participle of infatuate

Adjective

1. 1
   Foolishly or unreasoningly fond of, attracted to or in love with (someone); besotted,
2. 2
   Excessively fond of or enthusiastic about (something).
3. 3
   Foolish, stupid, lacking good judgment (often as a result of some external influence).