Figuratively:
* The city lights scintillated in the distance, like a million tiny stars.
* Her wit scintillated, keeping the conversation lively and engaging.
* The diamonds on her necklace scintillated under the chandelier's glow.
* The artist's paintings scintillated with vibrant colors and intricate details.
Literally:
* The Geiger counter scintillated, indicating the presence of radiation.
* The fireworks scintillated against the night sky.
* The aurora borealis scintillated with breathtaking beauty.
Note: "Scintillate" is a more formal word than "sparkle" or "shine," and it often implies a brilliance or intensity.