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: The time has come for President Obama to formally rescind his order to close the detention facility at Guantanamo Bay and end his irresponsible allegations of injustices at the facility, which operates in a framework that respects the rule of law, keeps terrorists off American soil, and bolsters our national security.
Deftness
Part of speech: noun
Definition: The characteristic of being deft.