The Collaborative International Dictionary of English v.0.48:

Refresh \Re*fresh"\ (r?*fr?sh"), v. t. [imp. & p. p. Refreshed
   (-fr?sht"); p. pr. & vb. n. Refreshing.] [OE. refreshen,
   refreschen, OF. refreschir (cf. OF. rafraischir, rafreschir,
   F. rafra?chir); pref. re- re- + fres fresh. F. frais. See
   Fresh, a.]
   1. To make fresh again; to restore strength, spirit,
      animation, or the like, to; to relieve from fatigue or
      depression; to reinvigorate; to enliven anew; to
      reanimate; as, sleep refreshes the body and the mind.
      --Chaucer.
      [1913 Webster]

            Foer they have refreshed my spirit and yours. --1
                                                  Cor. xvi. 18.
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            And labor shall refresh itself with hope. --Shak.
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   2. To make as if new; to repair; to restore.
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            The rest refresh the scaly snakes that fol?
            The shield of Pallas, and renew their gold.
                                                  --Dryden.
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   To refresh the memory, to quicken or strengthen it, as by a
      reference, review, memorandum, or suggestion.
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   Syn: To cool; refrigerate; invigorate; revive; reanimate;
        renovate; renew; restore; recreate; enliven; cheer.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Refreshing \Re*fresh"ing\, a.
   Reviving; reanimating. -- Re*fresh"ing*ly, adv. --
   Re*fresh"ing*ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

refreshing
    adj 1: imparting vitality and energy; "the bracing mountain air"
           [syn: bracing, brisk, fresh, refreshing,
           refreshful, tonic]
    2: pleasantly new or different; "common sense of a most
       refreshing sort" [syn: novel, refreshing]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "refreshing":
   analeptic, beneficial, benign, bracing, brisk, cheering,
   constitutional, cooling, cordial, corroborant, crisp, crispy,
   energizing, enlivening, exhilarating, fortifying, fresh, good,
   good for, health-enhancing, health-preserving, healthful, healthy,
   hygeian, hygienic, inspiriting, invigorating, refreshful, regaling,
   rejuvenating, restorative, reviving, roborant, rousing, salubrious,
   salutary, sanitary, stimulating, strengthening, tonic, vitalizing,
   wholesome, zestful, zesty