Hobnob (verb)

To associate or associate on friendly terms; mix or mingle in a sociable manner; fraternize.

Origin:

The origin of the word "hobnob" is uncertain, it was first recorded in the early 17th century.

Examples:

1. The guests hobnobbed with the host at the reception.
2. The politicians hobnobbed with the donors at the fundraiser.
3. The celebrities hobnobbed at the exclusive party.
4. She likes to hobnob with the elite of the city.
5. The children hobnobbed with other children at the playground.