associate

[1]	associate (with) , ally with , link , join/unite (with) , combine/confederate (with) , connect (with) , conjoin (with)
[2]	see , be seen with , socialize/fraternize (with) , mix/mingle (with) , go (out) with , consort with , have to do with , (Colloq) hang out with , (Brit) pal with/about , pal up (with) , (US) pal around (with)
[3]	tie in , relate , link , colligate , link up , connect
[4]	consort , affiliate , assort
[5]	consociate

[1]	comrade , fellow , familiar
[2]	colleague , partner , fellow , fellow-worker
[3]	confederate , ally , collaborator , accomplice , accessory
[4]	comrade , associate degree , companion , friend , mate , buddy , confidant(e)

adj.

[1]	subsidiary , secondary
[2]	allied , affiliate , affiliated , associated , accessory