Exciting

The most appropriate antonym of the word "exciting" is calm.

• Exciting means "arousing interest, enthusiasm, or passion."
• Calm means "free from disturbance or agitation."

The other words do not have the same meaning as "exciting" and are therefore not antonyms.

• Sensuous means "arousing or appealing to the senses."
• Exhilarating means "causing great excitement and elation."
• Intriguing means "arousing curiosity or interest."