docile
The regime teaches attitudes of docility and conformity.
He spoke in a soft voice that other boys mistook for docility.
The strikers went back to work with apparent docility, but there was still seething anger beneath the surface.
The docility of the other wives irritated her.

SMART Vocabulary: related words and phrases

Calm and relaxed
(as) cool as a cucumberidiom
at (your) leisureidiom
be at peace with the worldidiom
biddable
calmly
easy-going
equilibrium
fluidly
free-flowing
gaily
peaceably
peacefully
peacefulness
placable
placid
uninhibited
unpressured
unpressurized
unruffled
unshockable