stymie

choke off crimp foil impede obstruct stall stonewall thwart

balk block confound corner crab cramp defeat mystify nonplus pigeonhole prevent puzzle shelve snooker stump

cramp one's style cut off dead-end give the runaround hang fire hang-up hold off hold up put on back burner put on hold throw a monkey wrench into

abet advance aid assist forward help support

allow clarify clear up enlighten explain explicate let go release

encourage