Is·ma·i·li 
(ĭs′mä-ēlē) also Is·ma·i·li·an (-ēlē-ən)
(ĭs′mä-ēlē) also Is·ma·i·li·an (-ēlē-ən)n. pl. Is·ma·i·lis also Is·ma·i·li·ans
A member of a branch of Shiism that follows a living imam and is noted for esoteric philosophy.
[Arabic Isma'īlīy, after Isma'īl (died 760), son of the sixth imam, Jafar (700?-765).]