flattering
pleasing
abject
adulatory
apple-polishing
backscratching
beggarly
bland
bootlicking
brown-nosing
buttery
cajoling
cowering
crawling
cringing
crouching
deferential
disarming
fair-spoken
fawning
fine-spoken
footlicking
fulsome
glib
groveling
hangdog
honey-mouthed
honey-tongued
ingratiatory
insinuating
insinuative
mealymouthed
obeisant
obsequious
oily
oily-tongued
on bended knee
parasitic
prostrate
saccharine
servile
silken
silky
slimy
smarmy
smooth
smooth-spoken
emaciating
repellent