Facility
Part of speech: noun
Definition: ease in learning or doing something an installation, contrivance, or other thing which facilitates something; a place for doing something
Example sentence: Manufacturing takes place in very large facilities. If you want to build a computer chip, you need a giant semiconductor fabrication facility. But nature can grow complex molecular machines using nothing more than a plant.
Adeptness
Part of speech: noun
Definition: The quality of being adept.