Query about Question 7 from "(I'm Overwhelmed) Module Vocab Quiz #9 (words 421-480)" [8212]

https://www.gregmat.com/quizzes/quiz/im-overwhelmed-module-vocab-quiz-9-words-421-480 (Question 7)


Hi. I’m confused how exhilarating and scintillating are synonyms?
Doesn’t scintillating means brilliantly clever, and exhilarating means exciting?