manipulate

[1]	manage , pull strings , pull wires , handle , control , manoeuvre , orchestrate , choreograph , influence , use , exploit , play on , utilize
[2]	handle , control , operate , direct , work , use , employ , negotiate
[3]	rig , fudge , fake , falsify , juggle , falsify , cook , tamper with , doctor , wangle , misrepresent , (Colloq) cook , (Mainly Brit) fiddle
[4]	rig
[5]	keep in line , control