[ex.act] vt [ME, to require as payment, fr. L exactus, pp. of exigere to drive out, demand, measure, fr. ex- + agere to drive--more at agent] (1564) 1: to call for forcibly or urgently and obtain: press for "from them has been ~ed the ultimate sacrifice --D. D. Eisenhower"
2: to call for as necessary or desirable syn see demand -- ex.act.able adj -- ex.ac.tor also ex.act.er n
[2]exact adj [L exactus] (1533) 1: exhibiting or marked by strict, particular, and complete accordance with fact or a standard
2: marked by thorough consideration or minute measurement of small factual details syn see correct -- ex.act.ness n