feudalize
/ˌfjuːdəˈlaɪz/Definitions
1. verb
to convert a society or system into a feudal one, or to establish a feudal relationship between people or groups
“The kingdom feudalized the surrounding territories, creating a network of vassals and lords.”
2. verb
to make a person a vassal or to place them under the protection of another, often in return for military service or loyalty
“The noble feudalized the young warrior, granting him land and protection in exchange for his loyalty.”
3. noun
the act or process of converting a society or system into a feudal one
“The feudalization of the kingdom led to a shift in the balance of power among the nobility.”