He fraternises with people from all walks of life.

They fraternise with each other at the annual company picnic.

Fraternisation among colleagues is encouraged in our company.

They fraternised with the enemy during the war.

He was fraternising with the enemy.

He is known as a fraterniser among his friends.

There were many fraternisations at the party.

The fraternisers gathered at the party to celebrate their shared values.