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.]
      [1913 Webster]

            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]

Moby Thesaurus II by Grady Ward, 1.0:

99 Moby Thesaurus words for "instruct":
   acquaint, advertise, advertise of, advise, advocate, apprise,
   assign, bid, brief, bring word, broaden the mind, call on,
   call the signals, call upon, catechize, charge, civilize, coach,
   command, commission, communicate, confer, consult with, counsel,
   declare, decree, define, demonstrate, dictate, direct, discipline,
   disclose, drill, edify, educate, engineer, enjoin, enlighten,
   familiarize, give an order, give instruction, give lessons in,
   give notice, give the facts, give the word, give word, ground,
   guide, illumine, importune, inculcate, indoctrinate, inform,
   issue a command, issue a writ, kibitz, lead, leave word, let know,
   mandate, meddle, mention to, notify, open the eyes, ordain, order,
   order about, pilot, prepare, prescribe, proclaim, promulgate,
   pronounce, propose, recommend, reeducate, report, require, rule,
   say the word, school, send word, serve notice, set right,
   sharpen the wits, show, show how, speak, steer, submit, suggest,
   teach, teach a lesson, teach the rudiments, tell, train, tutor,
   verse, warn