happen,
occur, take place, come up, crop up (informal), come to pass (archaic or
literary), begin, start, appear, surface, evolve, commence (formal)
get
up, stand up, rise, get to your feet, ascend
antonym: sit
down
result
from, be the result of, arise from, arise out of, be caused by, stem
from, come from
get
out of bed, get up, rise
antonym: retire