Possessing the skill or proficiency of a master in any sphere of activity; characterized by or exhibiting supreme artistic or intellectual power…

Resembling or characteristic of a master; despotic, autocratic; authoritarian, magisterial. Also: exhibiting masterly ability or skill.

= masterly, adj. 2. Obsolete. rare.

Characteristic of a master; skilful.

Of, relating to, or displaying the skill of a master artist; (also) having the qualifications of a master. Obsolete.

Resembling, characteristic of, or worthy of a master or skilled worker; skilfully exercised or performed.