hobnob with (?.)

• associate with
• assort with
• be acquainted with
• be friends
• be inseparable
• chum
• chum together
• chum with
• clique
• clique with
• club together
• consort with
• cotton to
• fellowship
• flock together
• fraternize
• fraternize with
• hang around with
• hang out with
• herd together
• hit it off
• join
• join in fellowship
• keep company with
• know
• mingle with
• mix with
• pal
• pal up with
• pal with
• run in couples
• run with
• sort with
• take up with
• tie up with