Mastery
Part of speech: noun
Definition: The position or authority of a master; dominion; command; supremacy; superiority. Superiority in war or competition; victory; triumph; preeminence. (obsolete) Contest for superiority. Holland. (obsolete) A masterly operation; a feat. (obsolete) Specifically, the philosopher's stone. The act or process of mastering; the state of having mastered.
Example sentence: Roman civilization had achieved, within the bounds of its technology, relatively as great a mastery of time and space as we have achieved today.
Subordination
Part of speech: noun
Definition: The process of making something subordinate.The property of being subordinate.The quality of being properly obedient to a superior (as a superior officer).
Example sentence: Du Bois marked a great stage in the history of Negro struggles when he said that Negroes could no longer accept the subordination which Booker T. Washington had preached.