Sentence:  To derive Utopian communism from the Jerusalem Christian community of the <WSD>apostolic</WSD> age or from its medieval successors in spirit , the monastic communities , is with an appropriate shift of adjectives , misleading in the same way as to derive it from Plato 's Republic : 
Meaning of the word marked with <WSD> tags:  of or relating to or deriving from the Apostles or their teachings