1. to reduce the power or independence of a state or ruler by placing it under the protection or control of a larger power
Usage: historical; formal
2. to transmit or convey through a medium; to mediate
Usage: rare; formal

Examples

• The treaty mediatized several smaller principalities under the control of the larger empire.
• During the Napoleonic Wars, many German states were mediatized and lost their independence.
• The Congress of Vienna resulted in the mediatization of numerous European territories.
• Historical records show how the kingdom was gradually mediatized over the course of a century.
• The smaller duchy was mediatized when it came under the protection of a neighboring power.