verb (used with object), me·di·a·tized, me·di·a·tiz·ing.
to annex (a principality) to another state, while allowing certain rights to its former sovereign.
Also especially British, me·di·a·tise.
Origin of mediatize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(tr) to annex (a state) to another state, allowing the former ruler to retain his title and some authority
Word Origin for mediatize
C19: from French médiatiser; see mediate, -ize
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012