proficient
1. [ adjective ] having or showing knowledge and skill and aptitude
Synonyms: skillful expert good practiced adept skilful
Examples:

"adept in handicrafts" "an adept juggler" "an expert job" "a good mechanic" "a practiced marksman" "a proficient engineer" "a lesser-known but no less skillful composer"

Related terms: skilled
Similar spelling:   proficiently
  proficiency
  preface
  prefect