- a member of a Roman Catholic religious order (Society of Jesus ) founded by Ignatius of Loyola in 1534.
- a crafty, intriguing, or equivocating person: so called in allusion to the methods ascribed to the order by its opponents.
- of or relating to Jesuits or Jesuitism.
- a member of a Roman Catholic religious order (the Society of Jesus) founded by Saint Ignatius Loyola in 1534 with the aims of defending the papacy and Catholicism against the Reformation and to undertake missionary work among the heathen
- a person given to subtle and equivocating arguments; casuist
