dulcinea

/ˌdʌlsɪˈneɪə/
noun
  1. A woman who is the object of a man's romantic love or admiration; a sweetheart.
    • She was his dulcinea, the one who inspired all his best work.
    • He wrote poems to his dulcinea every day.
    • In the novel, the knight imagined a perfect dulcinea to fight for.