masterliness

noun masterliness

• knowledge — acquaintance with facts, truths, or principles, as from study or investigation; general erudition: knowledge of many things.
• ability — Your ability to do something is the fact that you can do it.
• competence — Competence is the ability to do something well or effectively.
• facility — Often, facilities. something designed, built, installed, etc., to serve a specific function affording a convenience or service: transportation facilities; educational facilities; a new research facility. something that permits the easier performance of an action, course of conduct, etc.: to provide someone with every facility for accomplishing a task; to lack facilities for handling bulk mail.
• judgment — an act or instance of judging.