fluency

From Late Latin fluentia. Cognate with French fluence.

• IPA^(key): /ˈfluːənsi/

fluency (countable and uncountable, plural fluencies)

1. The quality of smoothness of flow
2. (linguistics) The quality of being fluent in a language; A person's command of a particular language.
3. The quality of consistently applying skill correctly in the manner of one well-practiced at it, requiring little deliberate thought to perform without mistakes
   • 2011 December 10, David Ornstein, “Arsenal 1 - 0 Everton”, in BBC Sport‎:

     While Gunners boss Arsene Wenger had warned his players against letting the pre-match festivities distract them from the task at hand, they clearly struggled for fluency early on.

• dysfluency

• fluency in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.