bend
bend the knee
bend the neck
bend to
bob
bob a curtsy
bob down
bow
bow and scrape
bow down
bow the head
bow to
cringe to
crouch
crouch before
curtsy
do homage
do obeisance
duck
fall down before
grovel
kneel
kneel to
knuckle to
kowtow
make a leg
make a reverence
make obeisance
nod
salaam
scrape
stoop
truckle to
genuflected
genuflecting
genuflects
genuflection
genuflector
gesticulation