demure
"I promise," she said demurely.
He looked down demurely and smiled.
She smiled demurely when the judge asked her to speak up.
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
You can also find related words, phrases, and synonyms in the topics:
Behaving well