Synonyms and related words :
KO, capstone, climax, clincher, conclusive argument, copestone, crown, crusher, cutter, death stroke, deathblow, end-all, ender, final stroke, final touch, finishing stroke, floorer, garmentmaker, garmentworker, kayo, kayo punch, knockdown argument, knockout, knockout blow, last dab, last stroke, last touch, needleworker, quietus, settler, sockdolager, stitcher, stopper