Definition of "infatuation"

infatuation

noun
countable and uncountable, plural infatuations
1. An immensely strong love or sexual attraction.
  Quotations
  As to the former, he is under a singular species of infatuation, to render himself thus subservient to the plans of Melliphant. Happily, however, we have effected our escape from them, and are on the road to our peaceful dwelling.
  1838, [Letitia Elizabeth] Landon (indicated as editor), chapter XI, in Duty and Inclination: […], volume III, London: Henry Colburn, […], page 141
2. (obsolete) The act of infatuating; the state of being infatuated; madness.
3. Something which infatuates.