The quality of being pleasant or agreeable, whether in respect to situation, climate, manners, or disposition; pleasantness; civility; suavity; gentleness.

Pleasantness.

"We especially enjoyed the amenity of the climate on our last holiday."

A thing or circumstance that is welcome and makes life a little easier or more pleasant.

"All the little amenities the hotel provided made our stay very enjoyable."

Convenience.

A unit pertaining to the infrastructure of a community, such as a public toilet, a postbox, a library etc.