/ ˌædʒɪˈteɪʃn; NAmE / noun
1.
[ U ] worry and anxiety that you show by behaving in a nervous way :
Dot arrived in a state of great agitation.
2.
[ U , C ] agitation (for / against sth) public protest in order to achieve political change :
widespread agitation for social reform
3.
[ U ] ( technical ) the act of stirring or shaking a liquid
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WORD ORIGIN
mid 16th cent. (in the sense action, being active ): from Latin agitatio(n-) , from the verb agitare , frequentative of agere do, drive.