manipulate

verb

1. influence or control shrewdly or deviously"He manipulated public opinion in his favor"
2. hold something in one's hands and move it
3. tamper, with the purpose of deception"Fudge the figures"
4. manipulate in a fraudulent manner"rig prices"
5. maintain influence over (others or oneself) skillfully, usually to one's advantage"She manipulates her boss"
6. treat manually, as with massage, for therapeutic purposed