Definition of "Manipulate" :

verb: treat manually, as with massage, for therapeutic purposed

verb: hold something in one's hands and move it

verb: maintain influence over (others or oneself) skillfully, usually to one's advantage

"She manipulates her boss."

verb: manipulate in a fraudulent manner

verb: influence or control shrewdly or deviously

"He manipulated public opinion in his favor."

verb: tamper, with the purpose of deception