Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,(adjective)
source: webster1913
noun (n)
One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.(noun)
source: webster1913
adjective satellite (s)
having or showing knowledge and skill and aptitude(adj.all)