The Collaborative International Dictionary of English v.0.48:

Exhort \Ex*hort"\, v. t. [imp. & p. p. Exhorted; p. pr. & vb.
   n. Exhorting.] [L. exhortari; ex out + hortari to incite,
   encourage; cf. F. exhorter. See Hortative.]
   To incite by words or advice; to animate or urge by
   arguments, as to a good deed or laudable conduct; to address
   exhortation to; to urge strongly; hence, to advise, warn, or
   caution.
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         Examples gross as earth exhort me.       --Shak.
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         Let me exhort you to take care of yourself. --J. D.
                                                  Forbes.
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