fraternize

About 0.08 uses per million words.

Meaning

1. verb To associate with others in a brotherly or friendly manner.
2. verb To associate as friends with an enemy, in violation of duty.
3. verb To socialize in confidentiality.
4. verb To have an intimate or sexual relationship with a forbidden party.

Similar words

fraternalize cordialize companionize brother convivialize befriend make friends socialize socialise friend

Often followed by

with and in at or on the together as

Word family

fraternization fraternizations fraternized fraternizer fraternizers fraternizes fraternizing