Low exactus precise, accurate, participle past of exigere to drive out, to demand, enforce, finish, determine, measure; ex out + agere to drive; cf. French exact. See Agent, Act.
Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect; true; correct; precise; as, the clock keeps exact time; he paid the exact debt; an exact copy of a letter; exact accounts.
Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual; as, a man exact in observing an appointment; in my doings I was exact.
From Low exactus, participle past of exigere; or from Low Latin exactare: cf. Old French exacter. See Exact, adjective
To demand or require authoritatively or peremptorily, as a right; to enforce the payment of, or a yielding of; to compel to yield or to furnish; hence, to wrest, as a fee or reward when none is due; — followed by from or of before the one subjected to exaction; as, to exact tribute, fees, obedience, etc., from or of some one.