Noun

• S: (n) support, reinforcement, reenforcement (a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission) "they called for artillery support"
• S: (n) reinforcement, reenforcement (information that makes more forcible or convincing) "his gestures provided eloquent reinforcement for his complaints"
• S: (n) reinforcing stimulus, reinforcer, reinforcement ((psychology) a stimulus that strengthens or weakens the behavior that produced it)
• S: (n) strengthener, reinforcement (a device designed to provide additional strength) "the cardboard backing was just a strengthener"; "he used gummed reinforcements to hold the page in his notebook"
• S: (n) reward, reinforcement (an act performed to strengthen approved behavior)