In Illustrator, you can make objects smooth by using the Smooth tool. The Smooth tool is located in the Tools palette and it is used to make objects move in a smooth manner. To use the Smooth tool, you first need to select the object you want to smooth and then click on the Smooth button. The Smooth tool will start moving the object in a smooth manner. You can also use the arrow keys to move the object around and the spacebar to stop the object from moving.