[v] be lively or brilliant or exhibit virtuosity; "The musical performance sparkled"; "A scintillating conversation"; "his playing coruscated throught the concert hall"
[v] physics: fluoresce momentarily when struck by a charged particle or high-energy photon; "the phosphor fluoresced"
[v] emit or reflect light in a flickering manner; of stars; "Does a constellation twinkle more brightly than a single star?"
[v] reflect brightly; "Unquarried marble sparkled on the hillside"
[v] give off; "the substance scintillated sparks and flashes"