He painted her, as fluently as Sargent or Boldini might have, then wrapped the painting, and tied up the package.
My father practiced his new signature until he could write it fluently.
The helmsman, who did not speak English or Italian fluently, responded, “Hard to Starboard?”
1580s, "flowing freely" (of water, also of speech), from Latin fluentem (nominative fluens) "lax, relaxed," figuratively "flowing, fluent," present participle of fluere "to flow, stream, run, melt," from PIE *bhleugw-, extended form of *bhleu- "to swell, well up, overflow" (cf. Latin flumen "river;" Greek phluein "to boil over, bubble up," phlein "to abound"), an extension of root *bhel- (2) "to blow, inflate, swell;" see bole. Used interchangeably with fluid in Elizabethan times. Related: Fluently.