Good / Exciting
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.

When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.
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.