Ismaʿilian Ismaili

noun Islam.

1. a member of the Ismaʿiliya sect.

noun Islam

1. a Shiah sect whose adherents believe that Ismail, son of the sixth imam, was the rightful seventh imam
2. Also called: Ismailian (ˌɪzmɑːɪˈliːən) plural -lis a member of this sect