disconcert

verbs

cause to feel embarrassment
"The constant attention of the young man confused her"
confuse, disconcert, flurry, put off
is derived from
disconcertment
is derived from
disconcertion
cause to lose one's composure
discomfit, discompose, disconcert, untune, upset
is derived from
disconcertment
is derived from
disconcertion