Fluent
From BiblePortal Wikipedia
Fluent [1]
(1): ( a.) Flowing or capable of flowing; liquid; glodding; easily moving.
(2): ( n.) A current of water; a stream.
(3): ( n.) A variable quantity, considered as increasing or diminishing; - called, in the modern calculus, the function or integral.
(4): ( a.) Ready in the use of words; voluble; copious; having words at command; and uttering them with facility and smoothness; as, a fluent speaker; hence, flowing; voluble; smooth; - said of language; as, fluent speech.