List of proficiency synonyms and proficiency related words.
ability, ableness, address, adeptness, adequacy, adroitness, advancement, airmanship, all-knowingness, anabasis, aptitude, artfulness, artisanship, artistry, bravura, brilliance, caliber, capability, capableness, capacity, cleverness, command, competence, competency, condition, control, coordination, craft, craftsmanship, cross-disciplinary knowledge, cunning, deep knowledge, deftness, dexterity, dexterousness, dextrousness, diplomacy, efficacy, efficiency, encyclopedic knowledge, expertise, expertness, extensive knowledge, facility, faculty, finesse, fitness, fittedness, flair, general knowledge, genius, grace, grip, handiness, headway, horsemanship, ingeniousness, ingenuity, knack, know-how, march, marksmanship, mastership, mastery, maturity, omniscience, ongoing, pansophy, polyhistory, polymathy, practical ability, preparedness, profound knowledge, progress, prowess, qualification, quickness, readiness, resource, resourcefulness, ripeness, savoir faire, savoir-faire, savvy, seamanship, seasoning, skill, skillfulness, special knowledge, style, sufficiency, suitability, suitableness, suitedness, susceptibility, tact, tactfulness, talent, technical brilliance, technical mastery, technical skill, technique, tempering, the goods, the stuff, timing, trim, virtuosity, what it takes, wit, wizardry, workmanship