WordNet (r) 3.0 (2006):

stonewall
    v 1: obstruct or hinder any discussion; "Nixon stonewalled the
         Watergate investigation"; "When she doesn't like to face a
         problem, she simply stonewalls"
    2: engage in delaying tactics or refuse to cooperate; "The
       President stonewalled when he realized the plot was being
       uncovered by a journalist"

Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "stonewall":
   baffle, balk, blast, brave, challenge, checkmate, circumvent,
   confound, confront, contravene, counter, counteract, countermand,
   counterwork, cross, dash, deceive, defeat, defy, destroy,
   discomfit, disconcert, discountenance, dish, disrupt, elude, evade,
   flummox, foil, frustrate, get around, get round,
   give the runaround, give the slip, go one better, knock the chocks,
   nonplus, outfigure, outflank, outgeneral, outguess, outmaneuver,
   outplay, outreach, outsmart, outwit, overreach, pass the buck,
   perplex, ruin, sabotage, scotch, spike, spoil, stump, thwart,
   upset, victimize



U.S. Gazetteer Counties (2000):

Stonewall -- U.S. County in Texas
   Population (2000):    1693
   Housing Units (2000): 936
   Land area (2000):     918.670424 sq. miles (2379.345373 sq. km)
   Water area (2000):    1.562402 sq. miles (4.046602 sq. km)
   Total area (2000):    920.232826 sq. miles (2383.391975 sq. km)
   Located within:       Texas (TX), FIPS 48
   Location:             33.150313 N, 100.220727 W
   Headwords:
    Stonewall
    Stonewall, TX
    Stonewall County
    Stonewall County, TX


U.S. Gazetteer Places (2000):

Stonewall, NC -- U.S. town in North Carolina
   Population (2000):    285
   Housing Units (2000): 133
   Land area (2000):     1.681404 sq. miles (4.354817 sq. km)
   Water area (2000):    0.358612 sq. miles (0.928802 sq. km)
   Total area (2000):    2.040016 sq. miles (5.283619 sq. km)
   FIPS code:            65120
   Located within:       North Carolina (NC), FIPS 37
   Location:             35.137414 N, 76.747516 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stonewall, NC
    Stonewall


U.S. Gazetteer Places (2000):

Stonewall, OK -- U.S. town in Oklahoma
   Population (2000):    465
   Housing Units (2000): 238
   Land area (2000):     0.323885 sq. miles (0.838859 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.323885 sq. miles (0.838859 sq. km)
   FIPS code:            70500
   Located within:       Oklahoma (OK), FIPS 40
   Location:             34.651099 N, 96.526655 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stonewall, OK
    Stonewall


U.S. Gazetteer Places (2000):

Stonewall, LA -- U.S. town in Louisiana
   Population (2000):    1668
   Housing Units (2000): 710
   Land area (2000):     7.436708 sq. miles (19.260985 sq. km)
   Water area (2000):    0.011415 sq. miles (0.029565 sq. km)
   Total area (2000):    7.448123 sq. miles (19.290550 sq. km)
   FIPS code:            73395
   Located within:       Louisiana (LA), FIPS 22
   Location:             32.267345 N, 93.823589 W
   ZIP Codes (1990):     71078
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stonewall, LA
    Stonewall


U.S. Gazetteer Places (2000):

Stonewall, TX -- U.S. Census Designated Place in Texas
   Population (2000):    469
   Housing Units (2000): 203
   Land area (2000):     15.174846 sq. miles (39.302669 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    15.174846 sq. miles (39.302669 sq. km)
   FIPS code:            70460
   Located within:       Texas (TX), FIPS 48
   Location:             30.240069 N, 98.659942 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stonewall, TX
    Stonewall


U.S. Gazetteer Places (2000):

Stonewall, MS -- U.S. town in Mississippi
   Population (2000):    1149
   Housing Units (2000): 542
   Land area (2000):     2.639201 sq. miles (6.835500 sq. km)
   Water area (2000):    0.010866 sq. miles (0.028143 sq. km)
   Total area (2000):    2.650067 sq. miles (6.863643 sq. km)
   FIPS code:            70760
   Located within:       Mississippi (MS), FIPS 28
   Location:             32.133872 N, 88.792363 W
   ZIP Codes (1990):     39363
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stonewall, MS
    Stonewall