demure
High voices used to be associated with demureness in women.
She folded her hands in self-aware demureness.
Her voice is soft, and she nearly tiptoes when she walks which gives an effect of demureness.
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
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Behaving well