Sentence:  When such cities are formed ‘<WSD>Ecumenopolitans</WSD>', crossing national boundaries daily, would establish the ultimate form of civilization on the earth. [¶] Born from existing cities and the individual places in which citizenship is established, each city will be a ‘metapolis', an urban unit for <WSD>Ecumenopolitans</WSD> built in a super-architecture. A ‘metapolis' will be a junction point of mobile information. 
Meaning of the word marked with <WSD> tags:  An inhabitant of the Ecumenopolis, especially during its inchoate phase.