adept
a-dept
adjective
Very skilled or proficient at a particular task or activity.
"She is adept at handling complex negotiations."
noun
A person who is highly skilled or proficient in something.
"He is an adept in the art of diplomacy."
Thesaurus
Synonyms: wiz, hotshot, genius, superstar, mavin, virtuoso, wizard, champion, star, whiz, ace, whizz