NSW Selective & Scholarship
Scintillate
verb/SIN-til-ayt/
emit flashes of light; sparkle.
In contextThe diamond necklace scintillated under the gala's bright lights.
Remember it
Latin 'scintilla' = spark — to scintillate is to throw off tiny sparks of light.
Use it well
Use for flashing light or dazzling wit: diamonds scintillate, and so can conversation — note the silent 'c'.