Opposite words for annoyance :
He has gained the everlasting annoyance of an otherwise charming neighbour, Max. "Max Carrados", Ernest Bramah.
This he heard from the barber's wife, who expressed great annoyance at it. "Anecdotes & Incidents of the Deaf and Dumb", W. R. Roe.
She had a slight annoyance this morning- I do not know what old book she had set her heart on. "Cosmopolis, Complete", Paul Bourget Last Updated: March 3, 2009.
Jeff, however, was perfectly unconscious of being the cause of their annoyance. "The Comings of Cousin Ann", Emma Speed Sampson.