Reinforcement (disambiguation)

Reinforcement is a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.

Reinforcement may also refer to:
 * Reinforcement (speciation)
 * Reinforcement bar or rebar, a steel bar or mesh of steel wires used as a tension device
 * Reinforcement learning, an area of machine learning inspired by behaviorist psychology
 * "REINFORCE", a policy gradient method (often used as PPO)
 * Reinforcements in military operations