obsequious

attentive in an ingratiating or servile manner

Promptly obedient, or submissive, to the will of another; compliant; yielding to the desires of another; devoted.

Latin obsequium, meaning compliance

“If you go down to Belthorpe, be civil, but not obsequious.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

“The obsequious courtiers naturally replied "You, O Commander of the Faithful!", but the Caliph denied this.”