rasterati

1. (of people, animals) to disperse; to break up
   Policija je rasterala demonstrante suzavcem. — The police dispersed the protesters with tear gas.
   Pas je rasterao golubove sa trga. — The dog scattered the pigeons from the square.
2. (of clouds, boredom, doubts) to dispel; to drive away
   Vetar je rasterao oblake. — The wind drove away the clouds.
   Njegove reči su rasterale sve moje sumnje. — His words dispelled all my doubts.
3. colloq. (of customers, friends) to drive away; to scare off
   Novi konobar je rasterao sve mušterije. — The new waiter drove away all the customers.

The imperfective is rasterivati.