The way in which a person behaves; deportment.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "demeanor" in a sentence
"Mr. Friedman, who's been writing his column for over a decade (before that he co-edited New York magazine's Intelligencer column and contributed to The Observer), has been a controversial figure for negative things he's written, like a recent column on Julia Roberts in which he called her demeanor at the premiere of Duplicity "unexpected and chilling.""
"Having recently experienced ER care in a Jersey City hospital and a week later minor surgery (with total anesthesia) in one in Bayonne, I can say with certainty that “amenities” such as responding to reasonable requests, pleasant demeanor from the nurses, and honest answers to questions meant a great deal to me, both with their absence (Jersey) and presence (Bayonne)."
"As a new fashion editor, I have experienced everything from subtle shifts in demeanor to snide remarks to outright eye-rolls when people look at my card and see my title."