Pronunciation: [ sin-tl-ey-ting ]
Definition: adjective
witty; brilliantly clever

Origin: Early 17th century; Latin
Etymology: from Latin scintillat- ‘sparkled’, from the verb scintillare, from scintilla ‘spark’
Usage:

Synonyms:
brilliant
dazzling
lively
exhilarating
stimulating
Antonyms:
dull
uninteresting
boring
blah
Example:
The audience fell in love with the comedian’s scintillating humor.