Definition of federalize in English:

federalize

(also federalise)

verb

[with object]
  • 1Form into a single centralized unit; unite in a federal union.

    ‘he tried to federalize the Habsburg monarchy’
    ‘the idea of a federalized Europe’
  • 2Bring under the control of the central government as distinguished from the separate units constituting a federation.

    ‘a plan to federalize airport security’

Pronunciation

federalize

/ˈfɛd(ə)r(ə)lʌɪz/