reinforce
1. [ verb ] make stronger
Synonyms: reenforce
Examples:

"reinforced concrete"

Related terms: strengthen support substantiate buttress line mine support
2. [ verb ] (education) strengthen and support with rewards
Synonyms: reward
Examples:

"Let's reinforce good behavior"

Related terms: teach reward reinforcing_stimulus
Similar spelling:   reinforcer
  reinforced
  reenforce
  reniform
  Renfro