Synonyms and related words :
action, ad hoc, ad hoc measure, ad lib, ad libitum, ad-lib, ad-libbing, alternate, alternative, answer, arrangement, artifice, backup, band-aid, bung, check valve, cock, contrivance, cork, counterfeit, countermove, coup, course of action, demarche, dernier ressort, device, dodge, dummy, effort, emergency, equivalent, ersatz, expediency, expedient, extemporaneous, extemporaneousness, extemporariness, extemporary, extempore, extemporization, fake, faucet, gimmick, imitation, impromptu, improvisation, improvisational, improvisatorial, improvise, improvised, improvision, improviso, jury-rig, jury-rigged, jury-rigged expedient, last expedient, last resort, last shift, lid, makeshift, makeshifty, maneuver, means, measure, mock, move, off-the-cuff, offhand, peg, phony, pin, pinch, pis aller, playing by ear, plug, pro tempore, provisional, proxy, recourse, refuge, reserve, resort, resource, rough-and-ready, rough-and-tumble, sea cock, secondary, shake-up, shift, solution, spare, spigot, spike, spile, spill, step, stop, stopper, stopple, stratagem, stroke, stroke of policy, substitute, tactic, tap, temporary, temporary arrangement, temporary expedient, temporary measure, tentative, token, trick, trump, unrehearsed, utility, valve, vicarious, working hypothesis, working proposition