Definitions of manipulate:

• verb:   influence or control shrewdly or deviously

  Example: "He manipulated public opinion in his favor"

• verb:   treat manually, as with massage, for therapeutic purposed
• verb:   hold something in one's hands and move it
• verb:   control (others or oneself) or influence skillfully, usually to one's advantage

  Example: "She manipulates her boss"

• verb:   manipulate in a fraudulent manner
• verb:   fake or falsify