adj. 25B6; adjective
a scintillating diamond necklace : SPARKLING, shining, bright, brilliant, gleaming, glittering, twinkling, shimmering.
a scintillating second-half performance : BRILLIANT, dazzling, exciting, exhilarating, stimulating; sparkling, lively, vivacious, vibrant, animated, ebullient, effervescent; witty, clever; poetic/literary coruscating.
dull, boring.