PROFICIENCY
proficiency
(noun) the quality of having great facility and competence
proficiency, technique
(noun) skillfulness in the command of fundamentals deriving from practice and familiarity; “practice greatly improves proficiency”
Source: WordNet® 3.1
Etymology
Noun
proficiency (countable and uncountable, plural proficiencies)
Ability, skill, competence.
Synonyms
• ability
• command
• competence
• skill
• See also skill
Source: Wiktionary
Pro*fi"cience, Pro*fi"cien*cy, n.
Definition: The quality of state of being proficient; advance in the
acquisition of any art, science, or knowledge; progression in
knowledge; improvement; adeptness; as, to acquire proficiency in
music.
Source: Webster’s Unabridged Dictionary 1913 Edition