Sentence:  ⁽¹⁾ […] think to a great extent in <WSD>Ecumenopolitan</WSD> terms — our situation makes it imperative — and many of the ideas ekisticians have evolved may be useful. / ⁽²⁾ For instance, Solerian arcologies could be interlinked in a modified <WSD>Ecumenopolitan</WSD> network and informed with sound ekistic concepts of energy flow an personal space. 
Meaning of the word marked with <WSD> tags:  Of or characteristic of the Ecumenopolis.