Origin: 1560–70; < L
agitātiōn- (s. of
agitātiō);
see agitate, -ion 
Related forms: ag⋅i⋅ta⋅tion⋅al, adjective
Synonyms:
1. tumult, storm; unrest, disquiet; struggle, conflict; perturbation, ado. Agitation, disturbance, excitement, turmoil imply inner unrest, uneasiness, or apprehension. Agitation implies a shaken state of emotions, usually perceptible in the face or movements: With evident agitation she opened the telegram. Disturbance implies an inner disquiet caused by worry, indecision, apprehension, or the like: Long-continued mental disturbance is a cause of illness. Excitement implies a highly emotional state caused by either agreeable or distressing circumstances: excitement over a proposed trip, unexpected good news, a fire. Turmoil suggests such a struggle or conflict of emotions that one is unable to think consecutively: Her thoughts were in a hopeless turmoil. 2. debate, discussion, argument.