reinforcement

nouns

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"
reenforcement, reinforcement, support
is derived from
reinforce
information that makes more forcible or convincing
"his gestures provided eloquent reinforcement for his complaints"
reenforcement, reinforcement
(psychology) a stimulus that strengthens or weakens the behavior that produced it
reinforcement, reinforcer, reinforcing stimulus
is derived from
reinforce
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"
reinforcement, strengthener
is derived from
reinforce
an act performed to strengthen approved behavior
reinforcement, reward
is derived from
reinforce