proficience
Pro*fi"cience, Pro*fi"cien*cy, n. Defn: 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.
Pro*fi"cience, Pro*fi"cien*cy, n. Defn: 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.