decelerate, retard, slow, slow down, slow up

accelerate, slow, hasten, rosetta stone, speeded, kindle, expedite, mais, withal, impede, british columbia, spur, dawdle, conduce, lickety split, invigorate, facilitate, galloping, fait, smoothen, sous, dominican republic, roman empire, deprecated, qui, stimulate, south africa, howbeit, decelerate, poco, aviate, slackens, hong kong, mettre, doit, retard, diatonic scale, plodding, hinder, whoso, entre, longe, requiescat, termine, chacun, educe, mongst, hobble, whenas, hurry, shorten, prompt, ease, alter, uncompress, nts, interpolate, walt disney, fa la, ates, faut, menos, exponential decay, rendre, comme, non troppo, carte, reattempt, univers, accounts, admits, antisemitism, apis, can, carry, close, cynicism, demoralization, demosthenes, discontent, disfavour, disrepute, downstream, earlier, harlequin, marketplace, marketplaces, orthodoxy, polemic, 1-2-3, wordperfect, customized, receivable, computerised, customizable, dos, oracle, powerpoint, sendmail, windows, computerized, editing, frontpage, google, computerbased, itemized, lt, multimedia, online

brisk, brisken, brisk up

arouse, brace, deepen, energise, energize, excite, intensify, move, perk up, stimulate, stir

accelerate, animate, invigorate, reanimate, recreate, revive, revivify, speed, speed up, vivify, whet