A reinforcer is a consequence that "strengthens" a behavior, while a punisher is a consequence that "weakens" a behavior.
Reinforcer refers to a boost, for example, a reward, the expulsion of an unpalatable occasion, or a discipline, that in operant conditioning keeps up or fortifies a coveted response.There are no constraints to what a reinforcer can be. A reinforcer can be nourishment when a life form has been denied of sustenance, water when it has been denied of fluid, the chance to mate, cash, acclaim, etc.