The Collaborative International Dictionary of English v.0.48:

Exact \Ex*act"\, v. t. [imp. & p. p. Exacted; p. pr. & vb. n.
   Exacting.] [From L. exactus, p. p. of exigere; or fr. LL.
   exactare: cf. OF. exacter. See Exact, a.]
   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.
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         He said into them, Exact no more than that which is
         appointed you.                           --Luke. iii.
                                                  13.
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         Years of servise past
         From grateful souls exact reward at last --Dryden.
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         My designs
         Exact me in another place.               --Massinger.
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