definition of
reinforcement

[1] #1 reinforcement n. [support, 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". wn

[2] #2 reinforcement n. [reenforcement] information that makes more forcible or convincing; "his gestures provided eloquent reinforcement for his complaints". wn

[3] #3 reinforcement n. [reinforcing stimulus, reinforcer] (psychology) a stimulus that strengthens or weakens the behavior that produced it. wn

[4] #4 reinforcement n. [strengthener] 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". wn

[5] #5 reinforcement n. [reward] an act performed to strengthen approved behavior. wn