fluent


fluent (http://definr.com/fluent)

     adj 1: easy and graceful in shape; "a yacht with long, fluent
            curves"
     2: smooth and unconstrained in movement; "a long, smooth
        stride"; "the fluid motion of a cat"; "the liquid grace of
        a ballerina"; "liquid prose" [syn: flowing, fluid, liquid,
         smooth]
     3: expressing yourself readily, clearly, effectively; "able to
        dazzle with his facile tongue"; "silver speech" [syn: eloquent,
         facile, silver, silver-tongued, smooth-spoken]