mys ‧ tique /mɪˈstiːk/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: French ; Origin: mystique 'mystical' , from Latin mysticus ; ⇨ ↑ mystic 2 ]
a quality that makes someone or something seem mysterious, exciting, or special:
Some of the mystique surrounding the presidency has gone forever.