expel

(verb) force to leave or move out. Synonyms: throw out, kick out. Examples: "He was expelled from his native country."

(verb) remove from a position or office. Synonyms: oust, throw out, drum out, boot out, kick out. Examples: "The chairman was ousted after he misappropriated funds."

(verb) cause to flee. Synonyms: rout, rout out. Examples: "Rout out the fighters from their caves."

(verb) eliminate (a substance). Synonyms: exhaust, discharge, eject, release. Examples: "Combustion products are exhausted in the engine." "The plant releases a gas."