The man's demeanor made others suspicious of his intentions.
A confident demeanor is crucial for persuading others.
An example of demeanor is someone being peaceful.
I was extremely nervous for my first lesson; but, Anne's calm demeanor immediately put me at ease.
He felt the mother's demeanor suggested she was preparing a bogus story.
Was there anything unusual about Byrne's demeanor the afternoon the two of you were together?
By changing her routine, Mimi's pleasant demeanor was setting a new example for the group.
Her gentle demeanor reveals nothing of the brutality she experienced at the hands of Iraqi prison guards.