Federation
Concept · Development · Stellaris 4.5.2
Federation (development) in the Stellaris encyclopedia: A Federation is a supranational alliance of space-faring civilizations.
Federation in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
A Federation is a supranational alliance of space-faring civilizations.
By assigning an 
Official to coordinate diplomatic affairs, the stability and Cohesion of the Federation is increased, which can unlock Federation Perks.
Entries that mention Federation
More in Development
Source: common/game_concepts (concept_federation) and localisation/english, Stellaris Cygnus v4.5.2 (9776).