Reenforce /(rē`ĕn*fōrs")/

Re·en·force

Reenforce

v. t.
  1. To strengthen with new force, assistance, material, or support; as, to reenforce an argument; to reenforce a garment;
  2. To increase the likelihood that (a specific behavior) will be repeated by giving a reward or punishment to a person or animal; as, to reenforce the students' willingness to study by giving awards for good grades. (Psychology)

Reenforce

n.
  1. Something which reenforces or strengthens.