rehabilitation
US /ˌriː.həˌbɪl.əˈteɪ.ʃən/
UK /ˌriː.həˌbɪl.əˈteɪ.ʃən/

1.
the action of restoring someone to health or normal life through training and therapy after imprisonment, addiction, or illness
:
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The patient is undergoing rehabilitation after a stroke.
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The program focuses on the rehabilitation of ex-offenders.
2.
the action of restoring something that has been damaged or fallen into disrepair to a good condition
:
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The old building is undergoing extensive rehabilitation.
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The city council approved funds for the rehabilitation of the park.