reinforcement
reinforcement - noun
a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
information that makes more forcible or convincing
(psychology) a stimulus that strengthens or weakens the behavior that produced it
a device designed to provide additional strength
an act performed to strengthen approved behavior
reinforcement - thesaurus
reenforcement
reinforcer
reward
strengthener
support