The Collaborative International Dictionary of English v.0.48:

Inclose \In*close"\, v. t. [imp. & p. p. Inclosed; p. pr. &
   vb. n. Inclosing.] [See Enclose, and cf. Include.]
   [Written also enclose.]
   [1913 Webster]
   1. To surround; to shut in; to confine on all sides; to
      include; to shut up; to encompass; as, to inclose a fort
      or an army with troops; to inclose a town with walls.
      [1913 Webster]

            How many evils have inclosed me round! --Milton.
      [1913 Webster]

   2. To put within a case, envelope, or the like; to fold (a
      thing) within another or into the same parcel; as, to
      inclose a letter or a bank note.
      [1913 Webster]

            The inclosed copies of the treaty.    --Sir W.
                                                  Temple.
      [1913 Webster]

   3. To separate from common grounds by a fence; as, to inclose
      lands. --Blackstone.
      [1913 Webster]

   4. To put into harness; to harness. [Obs.]
      [1913 Webster]

            They went to coach and their horse inclose.
                                                  --Chapman.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Enclose \En*close"\, v. t. [F. enclos, p. p. of enclore to
   enclose; pref. en- (L. in) + clore to close. See Close, and
   cf. Inclose, Include.]
   To inclose. See Inclose.
   [1913 Webster]

WordNet (r) 3.0 (2006):

enclose
    v 1: enclose or enfold completely with or as if with a covering;
         "Fog enveloped the house" [syn: envelop, enfold,
         enwrap, wrap, enclose]
    2: close in; darkness enclosed him" [syn: enclose, hold in,
       confine]
    3: surround completely; "Darkness enclosed him"; "They closed in
       the porch with a fence" [syn: enclose, close in,
       inclose, shut in]
    4: introduce; "Insert your ticket here" [syn: insert,
       enclose, inclose, stick in, put in, introduce]

Moby Thesaurus II by Grady Ward, 1.0:

143 Moby Thesaurus words for "enclose":
   admit, assimilate, beleaguer, beset, besiege, blockade, bottle up,
   bound, box in, box up, cage, chamber, check, circle, circle in,
   circumscribe, cloister, close, close in, compass, compass about,
   complete, comprehend, comprise, confine, constrain, contain, coop,
   coop in, coop up, cordon, cordon off, cork up, corral, count in,
   cover, crib, define, delimit, delimitate, demarcate, detain,
   determine, divide, embay, embed, embody, embosom, embrace, encage,
   encircle, enclasp, encompass, enfold, enshrine, enshroud, envelop,
   environ, envisage, enwrap, fence, fence in, fence off, fill,
   fill in, fill out, fix, go around, go round, hedge, hedge in, hem,
   hem in, hold, hold in custody, hold in restraint, house in, immure,
   impound, imprison, incarcerate, include, incorporate, inhibit,
   insert, internalize, invest, involve, jail, keep in,
   keep in custody, keep in detention, keep within, kennel, lap,
   lay off, leaguer, limit, mark boundaries, mark off, mark out,
   mark the periphery, mew, mew up, number among, occupy, pen, pen in,
   pen up, pocket, pound, put in, quarantine, rail in, receive,
   reckon among, reckon in, reckon with, restrain, restrict, rope off,
   seal up, separate, set the limit, shackle, shrine, shroud, shut in,
   shut up, specify, stable, stake out, surround, take in,
   take into account, take into consideration, take up, veil, wall,
   wall in, wrap, yard, yard up