0 to meet someone socially, especially someone who belongs to an opposing army or team, or has a different social position:
1 to meet socially with someone who belongs to a different or opposing group:
The hallmarks of stratum 1 are noncompositionality and non-productivity (cf. maternity, fraternity, fraternize).
As we noticed above, friendship presents a paradox, because it would seem that genuine friendship does not exist when persons fraternize with each other for their own personal benefit.
Confederate officers were accused by a citizen of encouraging the trade and of fraternizing with the enemy, eating their oysters, and drinking their liquor.
He does this by constantly seeking out, fraternizing with and trying to live though and fuse with the female.
Officers from both armies, however, fraternized openly during the campaign.
A vast crowd of civilian on-lookers began fraternizing with the rebels, but did not join the action.
The two fall in love, despite the fact that both are forbidden to fraternize: he because of his vows, she because of her genes.
They also state that she's not beyond working for her keep, or fraternizing with the plebes.