Excitement of public feeling by discussion, appeals, etc.
A disturbance of personal tranquillity; disturbance of someone's peace of mind.
The act of agitating, or the state of being agitated; the state of being disrupted with violence, or with irregular action; commotion.
Intense dread, fright, or fear.
The action or quality of causing dread; terribleness, especially such qualities in narrative fiction.
A night terror.
Terrorism.
Something or someone that causes such fear.