fluent
adjective /ˈfluːənt/
  /ˈfluːənt/
 - fluent (in something) able to speak, read or write a language, especially a foreign language, easily and well
- She's fluent in Polish.
 - a fluent speaker/reader
 - ‘Can he speak German?’ ‘Yes, he’s fluent.’
 
 - (of a language, especially a foreign language) expressed easily and well
- He speaks fluent Italian.
 
 - (of an action) done in a way that is smooth and shows skill
- fluent handwriting
 - fluent movements
 
 
Word Originlate 16th cent.: from Latin fluent- ‘flowing’, from the verb fluere.