THESAURUS
stopgap
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
ROGET THESAURUS
stopgap
Substitution
N
substitution, commutation, supplanting, metaphor, metonymy, substitute, ersatz, makeshift, temporary expedient, replacement, succedaneum, shift, pis aller,
stopgap, jury rigging, jury mast, locum tenens, warming pan, dummy, scapegoat, double, changeling, quid pro quo, alternative, representative, palimpsest, price, purchase money, consideration, equivalent, substituted, ersatz, phony, vicarious, subdititious, instead, in place of, in lieu of, in the stead of, in the room of, faute de mieux.