mediatize

present singular third person mediatizes · participle present mediatizing · participle past mediatized · past mediatized · alternative mediatise

1. To make (a state or leader under the Holy Roman Empire) into a mediate vassal rather than an immediate one, directly under the emperor; (by extension) to annex while preserving certain rights and titles.First known use 19th c.

   In all, 112 imperial Estates were mediatized or lost to France, including virtually the entire church lands east of the Rhine […].

   2016, Peter H. Wilson, The Holy Roman Empire, Penguin, published 2017, page 650

2. To reduce the effect of (something) by introducing a mediating agent.First known use 19th c.
3. To filter (an event etc.) through the mass media; to exploit (something or someone) for media exposure; to propagandize via social media.First known use 20th c.