overbalance

bump collapse collide ditch dive drop hurtle meet overturn plunge slip smash topple tumble

lurch pancake pitch prang sprawl upset washout

bite the dust crash-land drive into fall flat fall headlong fall prostrate give way go in plough into splash down

ascend rise

annul capsize invalidate nullify repeal rescind reverse set aside topple void

countermand down invert prostrate roll spill tumble upend upset upturn

bring down keel over knock down knock over tip over turn over turn upside down

allow approve keep pass permit sanction validate

please straighten

collapse oust overturn plunge tumble unseat upset

capsize fall falter founder land lurch pitch slump stagger stumble teeter totter unhorse

bring down do a pratfall go belly up go down hit the dirt keel over knock down lose it nose-dive take a header tip over turn over

hold increase rise

ascend lose

place put straighten