The Collaborative International Dictionary of English v.0.48:

Liberality \Lib`er*al"i*ty\ (-[a^]l"[i^]*t[y^]), n.; pl.
   Liberalities (-t[i^]z). [L. liberalitas: cf. F.
   lib['e]ralit['e].]
   1. The quality or state of being liberal; liberal disposition
      or practice; freedom from narrowness or prejudice;
      generosity; candor; charity.
      [1913 Webster]

            That liberality is but cast away
            Which makes us borrow what we can not pay. --Denham.
      [1913 Webster]

   2. A gift; a gratuity; -- sometimes in the plural; as, a
      prudent man is not impoverished by his liberalities.
      [1913 Webster]

WordNet (r) 3.0 (2006):

liberality
    n 1: an inclination to favor progress and individual freedom
         [syn: liberality, liberalness]
    2: the trait of being generous in behavior and temperament [syn:
       liberality, liberalness] [ant: illiberality]

Moby Thesaurus II by Grady Ward, 1.0:

170 Moby Thesaurus words for "liberality":
   Trinkgeld, abundance, accommodation, accordance, affluence,
   amiability, ample sufficiency, ampleness, amplitude, avalanche,
   award, awarding, bestowal, bestowment, bigheartedness, bigness,
   bonanza, bonhomie, bonus, bountifulness, bountiousness, bounty,
   bribe, bumper crop, catholicity, chivalrousness, chivalry,
   communication, concession, conferment, conferral, consideration,
   contribution, copiousness, cordiality, deliverance, delivery,
   donation, donative, double time, elevation, endowment, errantry,
   exaltation, extravagance, exuberance, fee, fertility, flood, flow,
   foison, free thought, freethinking, friendliness, full measure,
   fullness, furnishment, generosity, generousness, geniality,
   gifting, giving, graciousness, grant, granting, gratuity, gravy,
   grease, great abundance, great heart, great plenty,
   greatheartedness, greatness, greatness of heart, gush, heartiness,
   heroism, high-mindedness, honorarium, hospitableness, hospitality,
   idealism, impartation, impartment, incentive pay, inducement,
   investiture, knight-errantry, knightliness, lagniappe, landslide,
   largeheartedness, largess, latitudinarianism, lavishness,
   liberalism, liberalness, libertarianism, loftiness, lots,
   luxuriance, magnanimity, magnanimousness, maximum,
   more than enough, much, myriad, myriads, neighborliness, nobility,
   noble-mindedness, nobleness, numerousness, offer, open door,
   openhandedness, openheartedness, opulence, opulency, outpouring,
   overflow, palm oil, perks, perquisite, plenitude, plenteousness,
   plentifulness, plenty, pourboire, premium, presentation,
   presentment, prevalence, princeliness, prodigality, productiveness,
   profuseness, profusion, provision, quantities, receptiveness,
   repleteness, repletion, rich harvest, rich vein, richness, riot,
   riotousness, salve, scads, shower, something extra, spate,
   sportula, stream, sublimity, subscription, substantiality,
   substantialness, superabundance, supplying, surrender, sweetener,
   teemingness, tip, vouchsafement, warmheartedness, warmness, warmth,
   wealth