re·in·forc·er 
(rē′ĭn-fôrsər)
(rē′ĭn-fôrsər)n.
Psychology
Psychology
A stimulus, such as a reward, the removal of an unpleasant event, or a punishment, that in operant conditioning maintains or strengthens a desired response.
- indignantly
- indignation
- indignity
- indigo
- indigo bunting
- indigo snake
- indigotin
- indinavir
- Indira Priyadarshini
- indirect
- indirect evidence
- indirect free kick
- indirection
- indirect lighting
- indirectly
- indirectness
- indirect object
- indirect tax
- indiscernible
- indiscernibly
- indiscipline
- indisciplined
- indiscreet
- indiscreetly
- indiscreetness