ETYM Latin accuratus, p. p. and a., from accurare to take care of; ad + curare to take care, cura care. Related to Cure.
1. Conforming exactly or almost exactly to fact or to a standard or performing with total accuracy.
2. Exact in performance or amount; strictly correct; SYN. exact, precise.

ETYM Latin exactus precise, accurate, p. p. of exigere to drive out, to demand, enforce, finish, determine, measure; ex out + agere to drive; cf. French exact. Related to Agent, Act.
Marked by strict and particular and complete accordance with fact.

ETYM See Fact.
1. Based on fact.
2. Characterized by fact.
3. Of or relating to or characterized by facts.