proficiency
noun
[ prəˈfɪʃ(ə)nsi ]
• a high degree of skill; expertise.
• "he demonstrated his proficiency in Chinese"
Similar:
skill,
skilfulness,
expertise,
experience,
ability,
capability,
capacity,
competence,
competency,
adeptness,
adroitness,
excellence,
mastery,
prowess,
professionalism,
aptitude,
deftness,
dexterity,
finesse,
facility,
effectiveness,
accomplishment,
aptness,
expertness,
talent,
know-how,
