luxury
US /ˈlʌk.ʃɚ.i/
UK /ˈlʌk.ʃɚ.i/

1.
the state of great comfort and extravagant living
:
•
They live a life of luxury.
•
The hotel offers guests unparalleled luxury and service.
2.
a material object, service, or amenity that is not essential but adds to comfort or pleasure
:
•
A private jet is a real luxury.
•
Having a personal chef is a luxury I can't afford.