expert

Adjective

• of or relating to or requiring special knowledge to be understood
  • technical terminology
    
  • a technical report
    
  • technical language
    

• having or showing knowledge and skill and aptitude
  • 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
    
  • the effect was achieved by skillful retouching
    

Noun

• a person with special knowledge or ability who performs skillfully

Related words

• Synonyms: 
  technical , adept , good , practiced , proficient , skillful , skilful