— messianist, Messianist n.
/mes"ee euh niz'euhm, meuh suy"euh-/ , n.
1. ( often cap. ) the belief in the coming of the Messiah, or a movement based on this belief.
2. the belief in a leader, cause, or ideology as a savior or deliverer.
[ 1875-80; Messian-, s. of Messias MESSIAH + -ISM ]