The Collaborative International Dictionary of English v.0.48:

pacific \pa*cif"ic\, a. [L. pacificus: cf. F. pacifique. See
   Pacify.]
   Of or pertaining to peace; of a peaceful character; not
   warlike; not quarrelsome; as, a pacific nature or condition.
   [WordNet sense 3]

   Syn: peaceable.
        [1913 Webster]

   2. Promoting peace; suited to make or restore peace;
      conciliatory; as, pacific words or acts. [WordNet sense 1]

   Syn: irenic.
        [WordNet 1.5]

   3. of or pertaining to the Pacific Ocean; as, Pacific
      islands.
      [WordNet 1.5]

   Pacific Ocean, the ocean between America and Asia, so
      called by Magellan, its first European navigator, on
      account of the exemption from violent tempests which he
      enjoyed while sailing over it; -- called also, simply, the
      Pacific, and, formerly, the South sea.
      [1913 Webster]

   Syn: Peacemaking; appeasing; conciliatory; tranquil; calm;
        quiet; peaceful; reconciling; mild; gentle.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pacific \Pacific\ prop. n.
   The Pacific Ocean, the largest ocean.

   Syn: Pacific Ocean.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Pacific
    adj 1: relating to or bordering the Pacific Ocean; "Pacific
           islands"
    2: disposed to peace or of a peaceful nature; "the pacific
       temper seeks to settle disputes on grounds of justice rather
       than by force"; "a quiet and peaceable person"; "in a
       peaceable and orderly manner" [syn: pacific, peaceable]
    3: promoting peace; "the result of this pacific policy was that
       no troops were called up"
    n 1: the largest ocean in the world [syn: Pacific, Pacific
         Ocean]

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "pacific":
   appeasing, at peace, at rest, bloodless, broken, calm, chastened,
   civilian, cloistered, conciliatory, concordant, cool, domesticated,
   dovelike, dovish, dwindling, ebbing, even-tenored, gentle, halcyon,
   housebroken, humble, hushed, idyllic, impassive, irenic, isolated,
   lamblike, meek, mild, moldering, mollifying, nonaggressive,
   noncombatant, nonmilitant, nonviolent, orderly, pacificatory,
   pacifist, pacifistic, pacifying, pastoral, peace-loving, peaceable,
   peaceful, peacetime, piping, placative, placatory, placid,
   propitiative, propitiatory, quiescent, quiet, reconciliatory,
   reposeful, reposing, restful, resting, secluded, sequestered,
   sequestrated, serene, sheltered, smooth, soft, soothing, still,
   still as death, stillish, stilly, stoic, stolid, subdued,
   subsiding, tame, tamed, tranquil, unagitated, unbellicose,
   uncontentious, undisturbed, unhostile, unmilitant, unmilitary,
   unmoved, unperturbed, unruffled, unstirring, untroubled, waning



U.S. Gazetteer Counties (2000):

Pacific -- U.S. County in Washington
   Population (2000):    20984
   Housing Units (2000): 13991
   Land area (2000):     932.971294 sq. miles (2416.384456 sq. km)
   Water area (2000):    290.523943 sq. miles (752.453525 sq. km)
   Total area (2000):    1223.495237 sq. miles (3168.837981 sq. km)
   Located within:       Washington (WA), FIPS 53
   Location:             46.538320 N, 123.805494 W
   Headwords:
    Pacific
    Pacific, WA
    Pacific County
    Pacific County, WA


U.S. Gazetteer Places (2000):

Pacific, MO -- U.S. city in Missouri
   Population (2000):    5482
   Housing Units (2000): 2343
   Land area (2000):     5.422474 sq. miles (14.044143 sq. km)
   Water area (2000):    0.006320 sq. miles (0.016369 sq. km)
   Total area (2000):    5.428794 sq. miles (14.060512 sq. km)
   FIPS code:            55910
   Located within:       Missouri (MO), FIPS 29
   Location:             38.481503 N, 90.750015 W
   ZIP Codes (1990):     63069
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pacific, MO
    Pacific


U.S. Gazetteer Places (2000):

Pacific, WA -- U.S. city in Washington
   Population (2000):    5527
   Housing Units (2000): 2090
   Land area (2000):     2.560997 sq. miles (6.632952 sq. km)
   Water area (2000):    0.001244 sq. miles (0.003222 sq. km)
   Total area (2000):    2.562241 sq. miles (6.636174 sq. km)
   FIPS code:            52495
   Located within:       Washington (WA), FIPS 53
   Location:             47.263272 N, 122.247831 W
   ZIP Codes (1990):     98047
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pacific, WA
    Pacific