acceptance
acquiescence
allegiance
apple-polishing
ass-kissing
assent
backscratching
bend
bending the knee
bob
bootlicking
bow
bowing and scraping
bowl
brown-nosing
complaisance
compliance
consent
cringing
crouch
curtsy
deference
dipping the colors
duck
fawnery
fawning
fealty
flunkyism
footlicking
genuflection
groveling
handshaking
homage
honor
inclination
ingratiation
insinuation
kneeling
kowtow
loyalty
making a leg
mealymouthedness
nod
nonopposal
nonopposition
nonresistance
obedience
acknowledgment
acknowledgments
condolence
contrition
cordiality
curtsey
deportment
diffidence
dismissal
greeting
half-bow
politeness
prostration
reverence
salutation
salute
supplication
veneration