Other ways to say Interesting

something that agitates the brain cells  

Example: This seminar has been stimulating.

something that forces an irresistible interest  

Example: Your proposal is very compelling.

something that arouses fascination  

Example: Thanks for the intriguing opportunity.

something that ignites fascination  

Example:   I can already see an enthralling outcome.

the quality of capturing the attention  

Example:  The game show had been very engaging.

the characteristics of grabbing the attention  

Example:  That is one arresting turn of events.

the quality of soaking up all the focus  

Example:  The class has been absorbing from so many angles.

something that leaves a mark  

Example:   That has been an affecting speech.

something that entertains  

Example:  The comedy movie has been amusing.

something that brings some fresh change  

Example:  It has been refreshing to watch some South Korean Drama.

Non-native or unusual  

Example:  This tree looks exotic.

out of the ordinary  

Example:  This fruit looks unusual; nothing I’ve seen before.

arouse the curiosity by being unorthodox  

Example:  The looks very curious.