Reinforcement
/rˌiɪˈnfɔrsmənt/
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Definition
(noun) The act, process, or state of reinforcing or being reinforced.
Sentence Examples
If you want to form a new habit, positive reinforcement works best.
We need to give students positive reinforcement.
CEFR Practice Quiz
The army sent ____ to the front line after the initial troops came under heavy attack.