(~s, conniving, ~d)
If one person ~s with another to do something, they secretly try to achieve something which will benefit both of them.
He accused ministers of conniving with foreign companies to tear up employment rights...
Senior politicians ~d to ensure that he was not released.
...local authorities suspected of conniving with the Mafia.
V-RECIP: V with n to-inf, pl-n V to-inf, V with n disapproval