mastery

mastery noun ability, accomplishment, achievement, acquirement, acquisition, adeptness, adroitness, artistry, attainment, brilliance, chieftainship, cleverness, cognizance, command, competence, comprehension, craftsmanship, cunning, expertise, expertness, extensive knowledge, facility, finesse, grace, grasp, in-depth knowlldge, influence, ingeniousness, ingenuity, knowledge, perfection, polish, practical ability, preeminence, premiership, proficiency, profound knowledge, skill, specialized knowledge, style, success, superiority, tact, tactfulness, technical brilliance, technical mastery, technical skill, technique, timing, total command, unique knowledge, victory over, virtuosity, wizardry

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See also: ability, advantage, apprehension, cognition, competence, control, dominance, dominion, efficiency, experience, flair, force, gift, hegemony, influence, knowledge, learning, occupation, ownership, perception, performance, possession, power, predominance, prowess, science, seisin, skill, specialty, strength, supervision, supremacy, technique