1. the action of handling or controlling something skillfully
2. the practice of influencing or controlling someone or something in a clever or unscrupulous way

Examples

• The surgeon’s manipulation of the delicate instruments was precise.
• Data manipulation is a key skill in computer programming.
• His manipulation of the facts made the story seem different.
• She accused him of emotional manipulation.
• The manipulation of public opinion through media is concerning.
• Physical manipulation of the spine can relieve back pain.
• The manipulation of the clay required steady hands.