text: Jesuitical originally signified of or pertaining to the Jesuits ; belonging to the Society of Jesus ; Jesuit ( OED , again ) , the Jesuits being the Roman Catholic clerical order founded by Ignatius Loyola in 1534 as an intellectual bulwark against the Reformation .
  
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  Loyola Ignatius was a staunch believer that Catholics should renounce the Catholic church and join the reformation .