The Collaborative International Dictionary of English v.0.48:

Commune \Com"mune\ (k[o^]m"m[=u]n), n.
   Communion; sympathetic intercourse or conversation between
   friends.
   [1913 Webster]

         For days of happy commune dead.          --Tennyson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Commune \Com"mune\ (k[o^]m"m[=u]n), n. [F., fr. commun. See
   Common.]
   1. The commonalty; the common people. [Obs.] --Chaucer.
      [1913 Webster]

            In this struggle -- to use the technical words of
            the time -- of the "commune", the general mass of
            the inhabitants, against the "prudhommes" or "wiser"
            few.                                  --J. R. Green.
      [1913 Webster]

   2. A small territorial district in France under the
      government of a mayor and municipal council; also, the
      inhabitants, or the government, of such a district. See
      Arrondissement.
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   3. Absolute municipal self-government.
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   4. a group of people living together as an organized
      community and owning in common most or all of their
      property and possessions, and sharing work, income, and
      many other aspects of daily life. Such sommunities are
      oftten organized based on religious or idealistic
      principles, and they sometimes have unconventional
      lifestyles, practises, or moral codes.
      [PJC]

   The Commune of Paris, or The Commune
      (a) The government established in Paris (1792-94) by a
          usurpation of supreme power on the part of
          representatives chosen by the communes; the period of
          its continuance is known as the "Reign of Terror."
      (b) The revolutionary government, modeled on the commune
          of 1792, which the communists, so called, attempted to
          establish in 1871.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Commune \Com*mune"\ (k[o^]m*m[=u]n"), v. i. [imp. & p. p.
   Communed (k[o^]m*m[=u]nd"); p. pr. & vb. n. Communing.]
   [OF. communier, fr. L. communicare to communicate, fr.
   communis common. See Common, and cf. Communicate.]
   1. To converse together with sympathy and confidence; to
      interchange sentiments or feelings; to take counsel.
      [1913 Webster]

            I would commune with you of such things
            That want no ear but yours.           --Shak.
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   2. To receive the communion; to partake of the eucharist or
      Lord's supper.
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            To commune under both kinds.          --Bp. Burnet.
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   To commune with one's self or To commune with one's
   heart, to think; to reflect; to meditate.
      [1913 Webster]

WordNet (r) 3.0 (2006):

commune
    n 1: the smallest administrative district of several European
         countries
    2: a body of people or families living together and sharing
       everything
    v 1: communicate intimately with; be in a state of heightened,
         intimate receptivity; "He seemed to commune with nature"
    2: receive Communion, in the Catholic church [syn: commune,
       communicate]

Moby Thesaurus II by Grady Ward, 1.0:

78 Moby Thesaurus words for "commune":
   Kreis, archbishopric, archdiocese, arrondissement, ashram,
   bailiwick, bishopric, body, borough, canton, caste, city, clan,
   class, colony, commonage, commoners, commonwealth, community,
   congressional district, constablewick, county, departement,
   diocese, district, duchy, economic class, electoral district,
   electorate, endogamous group, extended family, family, gens,
   government, hamlet, hundred, kinship group, magistracy, metropolis,
   metropolitan area, moiety, nuclear family, oblast, okrug, order,
   parish, people, phratria, phratry, phyle, plebeians, plebes,
   populace, precinct, principality, province, rank and file, region,
   riding, settlement, sheriffalty, sheriffwick, shire, shrievalty,
   social class, society, soke, stake, state, subcaste, territory,
   third estate, totem, town, township, village, wapentake, ward