kookery
/ˈkuːkəri/Definitions
1. noun
a person who is considered foolish or eccentric, especially one who is obsessed with a particular hobby or activity.
“The artist’s quirky kookery was evident in his elaborate and colorful outfits.”
2. noun
a place where a person engages in their eccentric or obsessive activity.
“The old mansion served as a kookery for the eccentric millionaire’s extensive collection of rare insects.”