noun (n)

• powerful and effective language

  bahasa yang kuat dan efektif

  Example:
  Fluency in spoken and written English is essential.
  

  Synonym:
  eloquence, smoothness
  

  source: wordnet30
• skillfulness in speaking or writing

  skillfulness di bercakap atau menulis

  Antonym:
  disfluency
  

  source: wordnet30
• the quality of being facile in speech and writing

  kualiti menjadi lancar dalam ucapan dan menulis

  Synonym:
  articulateness, volubility
  

  source: wordnet30
• The quality of being fluent; smoothness; readiness of utterance; volubility.

  kualitas yang fasih; kelancaran; ujar kesiapan dari; kepetahan.

  source: webster1913