agitation

Short definition from Wiktionary

Noun

1. 1
   The act of agitating, or the state of being agitated; the state of being disrupted with violence, or with irregular action; commotion.
2. 2
   A disturbance of personal tranquillity; disturbance of someone's peace of mind.
3. 3
   Excitement of public feeling by discussion, appeals, etc.
4. 4
   Examination or consideration of a subject in controversy, or of a plan proposed for adoption; earnest discussion; debate.
5. 5
   Putting into motion by shaking or stirring, often to achieve mixing.