The Collaborative International Dictionary of English v.0.48:

Entrance \En"trance\, n. [OF. entrance, fr. OF. & F. entrant, p.
   pr. of entrer to enter. See Enter.]
   1. The act of entering or going into; ingress; as, the
      entrance of a person into a house or an apartment; hence,
      the act of taking possession, as of property, or of
      office; as, the entrance of an heir upon his inheritance,
      or of a magistrate into office.
      [1913 Webster]

   2. Liberty, power, or permission to enter; as, to give
      entrance to friends. --Shak.
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   3. The passage, door, or gate, for entering.
      [1913 Webster]

            Show us, we pray thee, the entrance into the city.
                                                  --Judg. i. 24.
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   4. The entering upon; the beginning, or that with which the
      beginning is made; the commencement; initiation; as, a
      difficult entrance into business. "Beware of entrance to a
      quarrel." --Shak.
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            St. Augustine, in the entrance of one of his
            discourses, makes a kind of apology.  --Hakewill.
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   5. The causing to be entered upon a register, as a ship or
      goods, at a customhouse; an entering; as, his entrance of
      the arrival was made the same day.
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   6. (Naut.)
      (a) The angle which the bow of a vessel makes with the
          water at the water line. --Ham. Nav. Encyc.
      (b) The bow, or entire wedgelike forepart of a vessel,
          below the water line. --Totten.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Entrance \En*trance"\, v. t. [imp. & p. p. Entranced; p. pr. &
   vb. n. Entrancing.] [Pref. en- + trance.]
   1. To put into a trance; to make insensible to present
      objects.
      [1913 Webster]

            Him, still entranced and in a litter laid,
            They bore from field and to the bed conveyed.
                                                  --Dryden.
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   2. To put into an ecstasy; to ravish with delight or wonder;
      to enrapture; to charm.
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            And I so ravished with her heavenly note,
            I stood entranced, and had no room for thought.
                                                  --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

entrance
    n 1: something that provides access (to get in or get out);
         "they waited at the entrance to the garden"; "beggars
         waited just outside the entryway to the cathedral" [syn:
         entrance, entranceway, entryway, entry, entree]
    2: a movement into or inward [syn: entrance, entering]
    3: the act of entering; "she made a grand entrance" [syn:
       entrance, entering, entry, ingress, incoming]
    v 1: attract; cause to be enamored; "She captured all the men's
         hearts" [syn: capture, enamour, trance, catch,
         becharm, enamor, captivate, beguile, charm,
         fascinate, bewitch, entrance, enchant]
    2: put into a trance [syn: entrance, spellbind]

Moby Thesaurus II by Grady Ward, 1.0:

169 Moby Thesaurus words for "entrance":
   access, adit, admission, admittance, air lock, anesthetize,
   aperture, appearance, approach, arrival, attract, becharm,
   beginning, beguile, bewitch, captivate, carry away, cast a spell,
   channel, charm, coming, coming in, commencement, conduit, corridor,
   course, delectate, delight, ditch, door, doorway, dope, drug, duct,
   egress, embedment, enchant, encroachment, enrapture, enravish,
   enthrall, entrance hall, entranceway, entree, entrenchment, entry,
   entryway, exit, fascinate, foyer, freak out, galilee, gangplank,
   gangway, gate, gladden, graft, grafting, hall, hypnotize,
   impaction, impactment, imparadise, impingement, implantation,
   import, importation, importing, imposition, in, income, incoming,
   incursion, infatuate, infiltration, infixion, influx, infringement,
   infusion, ingoing, ingress, ingression, injection, inlet,
   inoculation, input, inroad, insertion, insinuation, intake,
   interference, interjection, interloping, interpenetration,
   interpolation, interposition, interposure, interruption,
   intervention, intrigue, introduction, introgression, intromission,
   intrusion, invasion, irruption, knock dead, knock out, leakage,
   lobby, lull to sleep, magnetize, means of access, mesmerize,
   narcotize, narthex, obtrusion, open arms, open door, opening,
   overpower, passage, passageway, penetration, percolation,
   perfusion, please, portal, portico, propylaeum, put to sleep,
   put under, ravish, reception, rejoice, right of entry,
   rock to sleep, sedate, seepage, send, slay, spell, spellbind,
   start, stoa, tessellation, threshold, thrill, tickle, tickle pink,
   titillate, trance, transplant, transplantation, transport, trench,
   trespass, trespassing, trough, troughing, troughway, tunnel,
   unlawful entry, vamp, vestibule, way, way in, witch, wow