n.
1.
Agitating, shaking, shake, concussion.
2.
Disturbance, jarring, commotion, convulsion, ferment, storm, tumult, turmoil.
3.
Excitement, emotion, perturbation, trepidation, discomposure, distraction, ruffle, flutter, flurry, hurry, tremor, fever, fret.
4.
Discussion, disputation, debate, controversy, canvassing, ventilation.