The Collaborative International Dictionary of English v.0.48:

Weal \Weal\, v. t.
   To promote the weal of; to cause to be prosperous. [Obs.]
   --Beau. & Fl.
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The Collaborative International Dictionary of English v.0.48:

Weal \Weal\, n.
   The mark of a stripe. See Wale.
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The Collaborative International Dictionary of English v.0.48:

Weal \Weal\, v. t.
   To mark with stripes. See Wale.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Weal \Weal\, n. [OE. wele, AS. wela, weola, wealth, from wel
   well. See Well, adv., and cf. Wealth.]
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   1. A sound, healthy, or prosperous state of a person or
      thing; prosperity; happiness; welfare.
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            God . . . grant you wele and prosperity. --Chaucer.
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            As we love the weal of our souls and bodies.
                                                  --Bacon.
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            To him linked in weal or woe.         --Milton.
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            Never was there a time when it more concerned the
            public weal that the character of the Parliament
            should stand high.                    --Macaulay.
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   2. The body politic; the state; common wealth. [Obs.]
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            The special watchmen of our English weal. --Shak.
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WordNet (r) 3.0 (2006):

weal
    n 1: a raised mark on the skin (as produced by the blow of a
         whip); characteristic of many allergic reactions [syn:
         wale, welt, weal, wheal]

Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "weal":
   Easy Street, affluence, bed of roses, birthmark, blackhead, bleb,
   blemish, blister, bulla, check, cicatrix, clover, comedo, comfort,
   crack, crater, craze, defacement, defect, deformation, deformity,
   disfiguration, disfigurement, distortion, ease, easy circumstances,
   fault, felicity, flaw, fleshpots, freckle, gracious life,
   gracious living, happiness, hemangioma, hickey, keloid, kink,
   lap of luxury, lentigo, life of ease, loaves and fishes, luxury,
   milium, mole, needle scar, nevus, pimple, pit, pock, pockmark,
   port-wine mark, port-wine stain, prosperity, prosperousness,
   pustule, rift, scab, scar, scratch, sebaceous cyst, security,
   split, strawberry mark, sty, success, the affluent life,
   the good life, thriving condition, track, twist, upward mobility,
   velvet, verruca, vesicle, wale, warp, wart, wealth, welfare,
   well-being, welt, wen, whelk, whelp, whitehead