ecumenopolitan

adjective1

1. •
   Of or conducive to the development, befitting the scale, or characteristic of an ecumenopolis or ecumenopoleis.

   • […] “ecumenopolitan” formations. — 1971

noun1

1. •
   An inhabitant of an ecumenopolis, especially one actively involved in its political arena.

adjective1

1. •
   Of or characteristic of the Ecumenopolis.

   • In relative space, everyone who wants to participate in the Ecumenopolitan system will have access to do so through the communications and transportation systems we shall have at our command. — 1971

noun1

1. •
   (rare) An inhabitant of the Ecumenopolis, especially during its inchoate phase.

   • Meanwhile, Ecumenopolitans would have the advantages of 100 per cent literacy […] — 1984