Intrigue refers to the art of arousing curiosity or interest in someone's mind. However, there are various synonyms for this word that one can use to spice up their language. For example, mystique refers to the quality of being fascinating and intriguing, while allure connotes a sense of attraction or fascination. Similarly, fascination and enchantment connote a sense of being captivated or enchanted by something. One can also use the words conspiracy or plot to indicate a secretive plan that evokes a sense of intrigue. Other synonyms include mystery, fascination, interest, and appeal, all of which indicate a sense of curiosity or attraction that keeps one engaged and mentally stimulated.