com·mo·tion 
(kə-mōshən)
(kə-mōshən)n.
1. A condition of turbulent motion.
2.
a. An agitated disturbance; a hubbub: heard a commotion in the hall.
b. Civil disturbance or insurrection; disorder.
[Middle English commocioun, from Old French commotion, from Latin commōtiō, commōtiōn-, from commōtus, past participle of commovēre, to disturb : com-, intensive pref.; see COM- + movēre, to move; see meuə- in the Appendix of Indo-European roots.]