league

[1]	ally , unite , associate , band , combine , collaborate , join (forces) , conspire , collude

[1]	conference , confederation , association , alliance , combination , coalition , federation , confederacy , guild , society , fraternity , union , band , fellowship , club
[2]	in league (with) , allied (with) , united (with) , associated (with) , leagued (with) , federated (with) , collaborating (with) , conspiring (with) , in collusion (with) , (Colloq) in cahoots (with)