THESAURUS
polish off
KO, accomplish, achieve, attain, blast, blot out, bump off, call off, cancel, compass, complete, consummate, croak, deal with, delete, discharge, dispatch, dispose of, do, do in, do the job, do the trick, drop the curtain, effect, effectuate, enact, end off, erase, execute, expunge, extinguish, fetch, finalize, finish, fix, fold up, fulfill, get, get it over, get over with, get through with, give the business, give the quietus, gun down, hit, ice, kayo, kibosh, kill, knock off, knock out, lay out, make, manage, off, perfect, perform, produce, punish, put, put away, put paid to, realize, rub out, scrag, settle, shoot down, succeed, take care of, turn the trick, waste, wipe out, work, work out, zap
ROGET THESAURUS
polish off
Completion
VB
effect, effectuate, accomplish, achieve, compass, consummate, hammer out, bring to maturity, bring to perfection, perfect, complete, elaborate, do, execute, make, go through, get through, work out, enact, bring about, bring to bear, bring to pass, bring through, bring to a head, despatch, dispatch, knock off, finish off,
polish off, make short work of, dispose of, set at rest, perform, discharge, fulfill, realize, put in practice, put in force, carry out, carry into effect, carry into execution, make good, be as good as one's word, do thoroughly, not do by halves, go the whole hog, drive home, be in at the death, carry through, play out, exhaust, fill the bill, finish, bring to a close, wind up, stamp, clinch, seal, set the seal on, put the seal, give the final touch, to, put the last, put the finishing hand to, put the finishing touches on, crown, crown all, cap, ripen, culminate, come to a head, come to a crisis, come to its end, die a natural death, die of old age, run its course, run one's race, touch the goal, reach the goal, attain the goal, reach, get in the harvest.