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