discomposure - a temperament that is perturbed and lacking in composure

deport, comport, acquit, behave, conduct, bear, carry - behave in a certain manner; "She carried herself well"; "he bore himself with dignity"; "They conducted themselves well during these difficult times"

ruffle - discompose; "This play is going to ruffle some people"; "She has a way of ruffling feathers among her colleagues"

disconcert, flurry, confuse, put off - cause to feel embarrassment; "The constant attention of the young man confused her"