I.together [美 təˈɡɛðər, 英 təˈɡɛðə]副together often appears as the second element of certain verb structures in English (band together, go together, piece together, etc). For translations, see the relevant verb entry (band, go, piece, etc).
Moreover, polling firms can sometimes be influenced by the results reported by other polling firms; they may herd together, especially as an election ticks down.
This uses the concept of homophily, which is the natural tendency for like-minded people to associate and herd together and is often found in social network studies.