The Collaborative International Dictionary of English v.0.48:

Remedy \Rem"e*dy\, v. t. [imp. & p. p. Remedied (-d?d); p. pr.
   & vb. n. Remedying.] [L. remediare, remediari: cf. F.
   rem['e]dier. See Remedy, n.]
   To apply a remedy to; to relieve; to cure; to heal; to
   repair; to redress; to correct; to counteract.
   [1913 Webster]

         I will remedy this gear ere long.        --Shak.
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The Collaborative International Dictionary of English v.0.48:

Remedy \Rem"e*dy\ (r?m"?-d?), n.; pl. Remedies (-d?z). [L.
   remedium; pref. re- re- + mederi to heal, to cure: cf. F.
   rem[`e]de remedy, rem['e]dier to remedy. See Medical.]
   [1913 Webster]
   1. That which relieves or cures a disease; any medicine or
      application which puts an end to disease and restores
      health; -- with for; as, a remedy for the gout.
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   2. That which corrects or counteracts an evil of any kind; a
      corrective; a counteractive; reparation; cure; -- followed
      by for or against, formerly by to.
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            What may else be remedy or cure
            To evils which our own misdeeds have wrought,
            He will instruct us.                  --Milton.
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   3. (Law) The legal means to recover a right, or to obtain
      redress for a wrong.
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   Civil remedy. See under Civil.

   Remedy of the mint (Coinage), a small allowed deviation
      from the legal standard of weight and fineness; -- called
      also tolerance.
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   Syn: Cure; restorative; counteraction; reparation; redress;
        relief; aid; help; assistance.
        [1913 Webster]

WordNet (r) 3.0 (2006):

remedy
    n 1: act of correcting an error or a fault or an evil [syn:
         redress, remedy, remediation]
    2: a medicine or therapy that cures disease or relieve pain
       [syn: remedy, curative, cure, therapeutic]
    v 1: set straight or right; "remedy these deficiencies";
         "rectify the inequities in salaries"; "repair an oversight"
         [syn: rectify, remediate, remedy, repair, amend]
    2: provide relief for; "remedy his illness" [syn: remedy,
       relieve]