Source : Webster's Revised Unabridged Dictionary (1913)

Clarity \Clar"i*ty\, n. [L. claritas, fr. clarus clear: cf. F.
   clart['e].]
   Clearness; brightness; splendor.

         Floods, in whose more than crystal clarity, Innumerable
         virgin graces row.                       --Beaumont.

Source : WordNet®

clarity
     n 1: free from obscurity and easy to understand; the
          comprehensibility of clear expression [syn: {lucidity},
          {pellucidity}, {clearness}, {limpidity}] [ant: {unclearness},
           {obscureness}]
     2: the quality of clear water; "when she awoke the clarity was
        back in her eyes" [syn: {clearness}, {uncloudedness}]
        [ant: {opacity}]