The Collaborative International Dictionary of English v.0.48:

Arrival \Ar*riv"al\, n. [From Arrive.]
   1. The act of arriving, or coming; the act of reaching a
      place from a distance, whether by water (as in its
      original sense) or by land.
      [1913 Webster]

            Our watchmen from the towers, with longing eyes,
            Expect his swift arrival.             --Dryden.
      [1913 Webster]

   2. The attainment or reaching of any object, by effort, or in
      natural course; as, our arrival at this conclusion was
      wholly unexpected.
      [1913 Webster]

   3. The person or thing arriving or which has arrived; as,
      news brought by the last arrival.
      [1913 Webster]

            Another arrival still more important was speedily
            announced.                            --Macaulay.
      [1913 Webster]

   4. An approach. [Obs.]
      [1913 Webster]

            The house has a corner arrival.       --H. Walpole.
      [1913 Webster]

WordNet (r) 3.0 (2006):

arrival
    n 1: accomplishment of an objective [syn: arrival, reaching]
    2: the act of arriving at a certain place; "they awaited her
       arrival"
    3: someone who arrives (or has arrived) [syn: arrival,
       arriver, comer]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "arrival":
   advent, appearance, approach, blind landing, comer, coming,
   coming in, do, emergence, entrance, entrant, go, immigrant,
   in-migrant, incomer, intruder, issuance, landing, manifestation,
   migrant, newcomer, passenger, prosperity, settler, stack up,
   touchdown, tourist, traveller, visitant, visitor