The Collaborative International Dictionary of English v.0.48:

Package \Pack"age\ (p[a^]k"[asl]j; 48), n.
   1. Act or process of packing.
      [1913 Webster]

   2. A bundle made up for transportation; a packet; a bale; a
      parcel; as, a package of goods.
      [1913 Webster]

   3. A charge made for packing goods.
      [1913 Webster]

   4. A duty formerly charged in the port of London on goods
      imported or exported by aliens, or by denizens who were
      the sons of aliens.
      [1913 Webster]

WordNet (r) 3.0 (2006):

package
    n 1: a collection of things wrapped or boxed together [syn:
         package, bundle, packet, parcel]
    2: a wrapped container [syn: package, parcel]
    3: (computer science) written programs or procedures or rules
       and associated documentation pertaining to the operation of a
       computer system and that are stored in read/write memory;
       "the market for software is expected to expand" [syn:
       software, software program, computer software,
       software system, software package, package] [ant:
       computer hardware, hardware]
    v 1: put into a box; "box the gift, please" [syn: box,
         package] [ant: unbox]

Moby Thesaurus II by Grady Ward, 1.0:

160 Moby Thesaurus words for "package":
   A to Z, A to izzard, Anschluss, addition, affiliation,
   agglomeration, aggregate, aggregation, agreement, all,
   all and sundry, alliance, alpha and omega, amalgamation,
   assemblage, assimilation, association, bag, bale, barrel, basket,
   be-all, be-all and end-all, beginning and end, bind up, bindle,
   blend, blending, bolt, bottle, bottling, bouquet, box, box up,
   boxing, budget, bundle, bundle up, cabal, can, canning, capsule,
   cartel, carton, case, cask, centralization, coalescence, coalition,
   combination, combine, combo, complement, composition, confederacy,
   confederation, congeries, conglomeration, conjugation, conjunction,
   consolidation, conspiracy, container, containerize, coupled, crate,
   crating, deck, do up, each and every, ecumenism, embodiment, embox,
   embrace, encapsulate, encase, encasement, enclose, encompassment,
   encyst, enfold, enosis, enshroud, envelop, enwrap, everything,
   fagot, fardel, fasces, fascine, federalization, federation, fusion,
   hamper, hookup, include, inclusion, incorporate, incorporation,
   integration, invest, jar, junction, junta, lap, league,
   length and breadth, marriage, meld, melding, merger, nosegay,
   one and all, pack, package deal, packaging, packet, packing,
   parcel, posy, pot, quiver, roll, roll up, rouleau, sack, set,
   sheaf, sheathe, shroud, smother, solidification, surround, swaddle,
   swathe, syncretism, syndication, syneresis, synthesis, tank,
   the corpus, the ensemble, the entirety, the lot, the whole,
   the whole range, tie up, tie-up, tin, tinning, truss, truss up,
   unification, union, unit, unite, wedding, wrap, wrap about,
   wrap up