Sentence:  Franciscans coming from Iberia were particularly prone to the <WSD>millenarian</WSD> enthusiasm which gripped southern Europe around 1500, and which the Franciscan Order had so long fostered. They believed that they were living in the End Times [...]. 
Meaning of the word marked with <WSD> tags:  Pertaining to the belief in an impending period of one thousand years of peace and righteousness associated with the Second Coming of Christ. (from 17th c.)