dispel

(verb) force to go away; used both with concrete and metaphoric meanings. Synonyms: chase away, drive out, turn back, drive away, drive off, run off. Examples: "Drive away potential burglars." "Drive away bad thoughts." "Dispel doubts." "The supermarket had to turn back many disappointed customers."

(verb) to cause to separate and go in different directions. Synonyms: disperse, dissipate, break up, scatter. Example: "She waved her hand and scattered the crowds."