To goad or push someone to act.
Something used to goad or push someone to act.
A stick designed to goad cows, steers, and similar animals in order to prompt them to move in a desired direction, now usually electrified to administer a stimulating shock to the animal.
To urge a person; to press on; to incite to action or motion via intrinsic motivation.
To drive forward; to propel an object, to provide an impetus for motion or action.