Definition of exact verb from the Oxford Advanced American Dictionary

Oxford3000

exact

verb
/ɪɡˈzækt/
 
 
(formal)1 exact something (from someone) to demand and get something from someoneShe was determined to exact a promise from him.2 to make something bad happen to someone exact somethingHe exacted (= took) terrible revenge for their treatment of him. exact something from someoneStress can exact a high price from workers (= can affect them badly). exaction
/ɪɡˈzækʃn/
 
noun [countable, uncountable] (formal)