Synonyms of mastery

1 Syllable
flair, knack, trump, skill, flairs, grasp, reach, pow, grip, might, art, sway, ken
2 Syllables
genius, prowess, deftness, know-how, defeat, trumping, reaches, cunning, say-so, downthrow, power, craftship
3 Syllables
strenuousness, finesse, expertism, vantage, betterment, attainment, prehension, artistry, knowledge, craftsmanship, expertness, wizardry, lustiness, ableness, adeptness, mastership, adroitness, cleverness, vanquishment
4 Syllables
authority, acquirement, preciseness, understanding, forcibleness, accuracy, proficiency, authorities, ascendance, expertise, qualifiedness, ascendency, comprehension, advantage, ability, accuracies, proficiencies, masterliness, virtuosity, dexterity, capacity
5 Syllables
familiarity, omnipotence