The Collaborative International Dictionary of English v.0.48:

Instruct \In*struct"\, a. [L. instructus, p. p. of instruere to
   furnish, provide, construct, instruct; pref. in- in, on +
   struere. See Structure.]
   1. Arranged; furnished; provided. [Obs.] "He had neither ship
      instruct with oars, nor men." --Chapman.
      [1913 Webster]

   2. Instructed; taught; enlightened. [Obs.] --Milton.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Instruct \In*struct"\, v. t. [imp. & p. p. Instructed; p. pr.
   & vb. n. Instructing.]
   [1913 Webster]
   1. To put in order; to form; to prepare. [Obs.]
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            They speak to the merits of a cause, after the
            proctor has prepared and instructed the same for a
            hearing.                              --Ayliffe.
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   2. To form by communication of knowledge; to inform the mind
      of; to impart knowledge or information to; to enlighten;
      to teach; to discipline.
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            Schoolmasters will I keep within my house,
            Fit to instruct her youth.            --Shak.
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   3. To furnish with directions; to advise; to direct; to
      command; as, the judge instructs the jury.
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            She, being before instructed of her mother, said,
            Give me here John Baptist's head in a charger.
                                                  --Matt. xiv.
                                                  8.
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            Take her in; instruct her what she has to do.
                                                  --Shak.

   Syn: To teach; educate; inform; train; discipline;
        indoctrinate; direct; enjoin.
        [1913 Webster]

WordNet (r) 3.0 (2006):

instruct
    v 1: impart skills or knowledge to; "I taught them French"; "He
         instructed me in building a boat" [syn: teach, learn,
         instruct]
    2: give instructions or directions for some task; "She
       instructed the students to work on their pronunciation"
    3: make aware of; "Have the students been apprised of the
       tuition hike?" [syn: instruct, apprise, apprize]