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scintillating - Describing someone or something that is exceptionally witty and entertaining, and is intellectually or emotinally stimulating.
Her scintillating conversation captivated those she talked to at the dinner party, leaving them laughing and enjoying themseles.
resounding - Referring to something that is striking, definite, or leaves a strong impression, such as a victory or success.
The season concluded with a resounding victory, with the team winning by a margin so large it left no doubt about their superiority.