infatuate(adjective, verb) adjective1. (obsolete) Infatuated; full of unreasoning love or attachment. verb1. arouse unreasoning love or passion in and cause to behave in an irrational way- His new car has infatuated him- love has infatuated herDefinition categories: emotion, arouse, elicit, enkindle, evoke, fire, kindle, provoke, raise