Как по Английски будет föderativ

adjective

Having or relating to a system of government in which several states form a unity but remain independent in internal affairs.

Примеры использования:

A federal europe

adverb

By means of the central government as distinguished from the separate units constituting a federation.

Примеры использования:

Federally funded projects

adjective

Relating to a federation (= a group of organizations, countries, regions, etc. that have joined together to form a larger organization or government)

Примеры использования:

The country is made up of 30 federative regions., they have formed a federative committee of expert…