simple past tense and past participle of federate
"The states federated to create a unified government after years of conflict."
In plain English: To federate means to join separate groups together into one larger organization that keeps its own local rules but works under a shared agreement.
"The two small companies federated their services to create a single, unified login system for all employees."
United, as a federation, under a central government
"The formerly independent states became federated after signing the new constitution that established their union under a single central government."
In plain English: Federated means being part of a group that stays independent but works together with other groups on equal terms.
"The federated structure allows each local school to manage its own budget while following national guidelines."
Usage: Do not confuse this term with "federal," which describes the system of government itself rather than an organization united within one. Use "federated" specifically when referring to states or entities that have joined together while retaining some degree of autonomy.