Simple past tense and past participle of scintillate.(verb)
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Use "scintillated" in a sentence
"Huge blocks topped and overtopped one another, only to serve as pedestals for great white masses, which blazed and scintillated in the sun like monstrous jewels."
"Like a chameleon, he titubated and scintillated grandly between the diverse parts of him, stunning by frontal attack and surprising and confouding by flanking sweeps the mental homogeneity of the more simply constituted souls who came in to his revival to sit under him and flame to his flaming."
"The Kid had a good eye for the trick of a step, and ear for the lilt of a voice, and his private choice was a marvelous creature who scintillated as the 'Aurora Borealis.'"