Source : Webster's Revised Unabridged Dictionary (1913)

Advice \Ad*vice"\, n. [OE. avis, F. avis; ? + OF. vis, fr. L.
   visum seemed, seen; really p. p. of videre to see, so that
   vis meant that which has seemed best. See {Vision}, and cf.
   {Avise}, {Advise}.]
   1. An opinion recommended or offered, as worthy to be
      followed; counsel.

            We may give advice, but we can not give conduct.
                                                  --Franklin.

   2. Deliberate consideration; knowledge. [Obs.]

            How shall I dote on her with more advice, That thus
            without advice begin to love her?     --Shak.

   3. Information or notice given; intelligence; as, late
      advices from France; -- commonly in the plural.

   Note: In commercial language, advice usually means
         information communicated by letter; -- used chiefly in
         reference to drafts or bills of exchange; as, a letter
         of advice. --McElrath.

   4. (Crim. Law) Counseling to perform a specific illegal act.
      --Wharton.

   {Advice boat}, a vessel employed to carry dispatches or to
      reconnoiter; a dispatch boat.

   {To take advice}.
      (a) To accept advice.
      (b) To consult with another or others.

   Syn: Counsel; suggestion; recommendation; admonition;
        exhortation; information; notice.

Source : WordNet®

advice
     n : a proposal for an appropriate course of action