ardently, artfully, astutely, cagily, calmly, cannily, cleverly, cunningly, easily, effectively, effortlessly, eloquently, evenly, expressively, facilely, fervently, flatly, fluently, forcefully, foxily, freely, glibly, glowingly, graphically, guilefully, hands down, impressively, in glowing terms, insidiously, knowingly, lightly, like clockwork, like nothing, meaningfully, no sweat, on easy terms, on the sly, on wheels, passionately, peacefully, placidly, powerfully, quiescently, quietly, readily, regularly, shiftily, shrewdly, simply, slick, slyly, smooth, spiritedly, still, stilly, strikingly, subtilely, subtlely, swimmingly, tellingly, tranquilly, trickily, uniformly, unperturbedly, vehemently, vigorously, vividly, warily, warmly, well, wilily, without difficulty

top

ROGET THESAURUS

smoothly

Facility

N facility, ease, easiness, capability, feasibility, flexibility, pliancy, smoothness, plain sailing, smooth sailing, straight sailing, mere child's play, holiday task, cinch, smooth water, fair wind, smooth royal road, clear coast, clear stage, tabula rasa, full play, disencumbrance, disentanglement, deoppilation, permission, simplicity, lack of complication, easy, facile, feasible, easily managed, easily accomplished, within reach, accessible, easy of access, for the million, open to, manageable, wieldy, towardly, tractable, submissive, yielding, ductile, suant, pliant, glib, slippery, smooth, on friction wheels, on velvet, unembarrassed, disburdened, unburdened, disencumbered, unencumbered, disembarrassed, exonerated, unloaded, unobstructed, untrammeled, unrestrained, at ease, light, at home with, quite at home, in one's element, in smooth water, skillful, accustomed, easily, readily, smoothly, swimmingly, on easy terms, single-handed, touch and go.

For further exploring for "smoothly" in Webster Dictionary Online