American Heritage Dictionary
(6)
Century Dictionary
(1)
GNU Webster's 1913
(1)
WordNet
(5)
Elsewhere on the web
She points out that positive reinforcement is a powerful tool on humans.— Word Around the Net
The first and second parts of the paper offer illustrations of the pervasiveness and tenacity of reinforcement, as well as the rarity, but also urgent need for, openness.— Legal Theory Blog
At that point, negative reinforcement is the way to go.— Best Syndication -
You'll still want to avoid casualties, however, as it costs a CP to call a reinforcement, assuming you still have any available, and certain units contribute to the CP you get each turn, so if they fall you'll have fewer CP available for the rest of your squad.— GAMESHOUT
It's difficult to read the administration's brief in any other way than a reinforcement -- even an inflation of -- the unitary executive, or to attribute it to Bush holdovers.— Daily Kos

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