TUMULT:
■ nounA disorderly commotion or disturbance
A tempestuous uprising; a riot. Agitation of the mind or emotions.
eg.The men in the siege engine leaped out into the city, and a great tumult arose in the city.
When a word is associated to a picture, it can effectively be remembered. We have a collection of pictures for over 700 words tested in GRE.