Stir, bustle, flurry, pother, fuss, ado all denote the signs of excitement or hurry that accompany an act, action, or an event.
Stir suggests brisk or restless movement and ordinarily implies a crowd.
Bustle adds the implication of a noisy, obtrusive, or self-important display of energy, especially when used in reference to an individual.
Flurry stresses nervous agitation and undue haste.
Pother and fuss both imply flurry and fidgety activity; pother often distinctively stresses commotion or confusion and fuss needless worry or effort.
Ado usually suggests fussiness or waste of energy. It also often implies trouble or difficulty.