Noah Webster
Proficient
PROFI'CIENT, noun One who has made considerable advances in any business, art, science or branch of learning; as a proficient in a trade or occupation; a proficient in mathematics, in anatomy, in music, etc.
PROFI'CIENT, noun One who has made considerable advances in any business, art, science or branch of learning; as a proficient in a trade or occupation; a proficient in mathematics, in anatomy, in music, etc.