flawlessly, swimmingly, seamlessly, fluidly, uneventfully, awry, briskly, effortlessly, seemless, faultlessly, efficiently, haywire, through, apace, harmoniously, speedily, aboveboard, well, safely, competently, satisfactorily, quickly, expeditiously, nicely, transparently, leanly, perfectly, properly, unobtrusively, slickly, faster, swiftly, autonomously, cleanly, cohesively, slowly, gracefully, compliantly, chaotically, expediently, backwards, energetically, adroitly, impeccably, skillfully, deftly, noiselessly, cautiously, ahead, evenly, calmly, confidently, beautifully, quietly, lickety split, concurrently, stably, excellently, jerkily, berserk, unhurriedly, masterfully, painlessly, plain sailing, peacefully, crisply, kaput, meticulously, amicably, alright, capably, decently, reliably, differently, aground, sluggishly, splendidly, fluently, afoul, agilely, unclogged, discreetly, onward, marvelously, proficiently, abreast, successfully, nimbly, responsively, circuitously, merrily, teething troubles, ably, optimally, fairly, sensitively, diligently, expertly, sensibly, erratically, maturely, invisibly

., coast, curved, curving, fair, flowing, glide, gradational, gradatory, graduated, military press, politic, press, ride, running, slide, slip, slither, slur, smooth, snake, streaming, suave, synchromesh