The act of fraternizing or associating as brothers; brotherly association or bonding.
From 'fraternate' plus the suffix '-ion,' forming an abstract noun. Like 'fraternate,' it's an older term that describes the process of brotherhood formation.
This word appears in historical military records to describe the dangerous moments when enemy soldiers would secretly meet and fraternize—their 'fraternation' was so risky because officers feared soldiers would refuse to fight their new friends.
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