This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Possession of consummate skill.

n. The status of master or ruler; control: mastery of the seas.

n. Full command of a subject of study: Her mastery of economic theory impressed the professors.

n. The position or authority of a master; dominion; command; supremacy; superiority.

n. Superiority in war or competition; victory; triumph; preeminence.

n. Contest for superiority.

n. A masterly operation; a feat.

n. The philosopher's stone.

n. The act or process of mastering; the state of having mastered; expertise.

n. The position or authority of a master; dominion; command; supremacy; superiority.

n. Superiority in war or competition; victory; triumph; preëminence.

n. Contest for superiority.

n. A masterly operation; a feat.

n. the philosopher's stone.

n. The act process of mastering; the state of having mastered.

n. The state of being a master; power of command or control; rule; dominion; sway.

n. Ascendancy in war or in competition; the upper hand; superiority; preëminence.

n. Expert knowledge or skill; power of using or exercising; dexterity: as, the mastery of an art or science.

n. Masterly attainment; the gaining of mastership.

n. A contest for superiority.

n. A masterly operation or act; a triumph of skill.

n. The finding of the magisterium or philosopher's stone; also, the stone itself.

n. great skillfulness and knowledge of some subject or activity

n. power to dominate or defeat

n. the act of mastering or subordinating someone

"And we study under world-class conductors and teachers, people whose mastery is equal to their humility and desire to serve."

skillfulness    domination   

dominion    command    supremacy    superiority    victory    triumph    preëminence    feat    herile    control   

superiority    accomplishment    perfection    understanding    clearness    comprehension    complexity    vigor    unity    refinement