Antonyms of annoyance:
affection, blessing, enjoyment, joy, appreciation, delight, esteem, satisfaction, approval, desire, gratification, treat, benefit, pleasure, charmer, smoothy, comforter, solacer, soother.
Examples of usage:
  1. " The young lady seems to have repeated to her mother everything I said this afternoon," he added with evident annoyance.
    "Whosoever Shall Offend", F. Marion Crawford.
  2. He at once became excited and wondered how he could save his father from annoyance.
    "Stories from Tagore", Rabindranath Tagore.
  3. " 'Pon my soul," said Mr. Wrandall in some annoyance.
    "The Hollow of Her Hand", George Barr McCutcheon.