Noun reinforcement has 5 senses
  1. 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"
    --1 is a kind of operation, military operation
    --1 has particulars: close support
    Derived form: verb reinforce1
  2. reinforcement, reenforcement - information that makes more forcible or convincing; "his gestures provided eloquent reinforcement for his complaints"
    --2 is a kind of confirmation
  3. reinforcing stimulus, reinforcer, reinforcement - (psychology) a stimulus that strengthens or weakens the behavior that produced it
    --3 is a kind of stimulation, stimulus, stimulant, input
    --3 has particulars:
     positive reinforcing stimulus, positive reinforcer; negative reinforcing stimulus, negative reinforcer
    Derived form: verb reinforce2
  4. 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"
    --4 is a kind of device
    --4 has particulars:
     backing, mount; brace, bracing; brace; safety arch
    Derived form: verb reinforce1
  5. reward, reinforcement - an act performed to strengthen approved behavior
    --5 is a kind of blessing, approval, approving
    --5 has particulars: carrot
    Derived form: verb reinforce2