facility

(noun): The fact of being easy, or easily done; absence of difficulty, simplicity.
(noun): Dexterity of speech or action; skill, talent.
(noun): The physical means or contrivances to make something (especially a public service) possible; the required equipment, infrastructure, location etc.
(noun): An institution specially designed for a specific purpose, such as incarceration, military use, or scientific experimentation.
(noun): (in the plural) A toilet.
(noun): A condition of mental weakness less than idiocy, but enough to make a person easily persuaded to do something against their better interest.
(noun): Affability.

The facility she shows in playing the violin is unrivalled.
Transport facilities in Bangkok are not sufficient to prevent frequent traffic collapses during rush hour.