Synonyms for Pillage (same or very similar meaning)
WordNet sense 1 (goods or money obtained illegally):
booty, loot, plunder, prize, swag, dirty moneyWordNet sense 2 (steal goods; take as spoils):
despoil, foray, ransack, rifle, strip, reaveWordNet sense 3 (the act of stealing valuable things from a place):
pillaging, plunderingFrom the ODE community, based on WordNetadd/edit