Source : Webster's Revised Unabridged Dictionary (1913)

Coruscate \Cor"us*cate\ (k?r"?s-k?t or k?-r?s"k?r), v. i. [L.
   coruscare to flash, vibrate.]
   To glitter in flashes; to flash.

   Syn: To glisten; gleam; sparkle; radiate.

Source : WordNet®

coruscate
     v 1: reflect brightly; "Unquarried marble sparkled on the
          hillside" [syn: {sparkle}, {scintillate}]
     2: be lively or brilliant or exhibit virtuosity; "The musical
        performance sparkled"; "A scintillating conversation";
        "his playing coruscated throught the concert hall" [syn: {sparkle},
         {scintillate}]