Fraternise (7)
(Other definitions for consort that I've seen before include "Hang out with" , "Marriage partner" , "Small group; spouse" , "Group playing music" , "Monarch's husband" .)
(Other definitions for hobnob that I've seen before include "Socialise informally" , "Mix socially with the biscuit" , "Socialize, rub elbows with" , "Rub shoulders (with)" , "random" .)