Adeptness Synonyms

Skillful performance or ability without difficulty
(Noun)
Synonyms:
  1. adroitness
  2. deftness
  3. facility
  4. quickness
Natural or acquired facility in a specific activity
(Noun)
Synonyms:
  1. ability
  2. art
  3. command
  4. craft
  5. expertise
  6. expertness
  7. knack
  8. mastery
  9. proficiency
  10. skill
  11. technique
  12. know-how