A device for a movable furniture part having a first stop part which can be attached to a body and is connected via a joint mechanism to a second stop part which can be attached to the movable furniture part for pivoting of the movable furniture part. A damping device is provided, and includes a damper housing and an inner part which is received on the damper housing, which damper housing and inner part can be moved with respect to one another, and the damper housing or the inner part serving as a contact part which, for the damping operation, comes at least temporarily into contact with a section of the device, which section can be moved during the pivoting of the furniture part. A setting mechanism is provided, by way of which setting of the damping action which is provided by way of the damping device can be performed.