revalidation
US /ˌri.væl.əˈdeɪ.ʃən/
UK /ˌri.væl.əˈdeɪ.ʃən/
1.
revalidatie
the process or act of making something or someone officially acceptable or approved again :
:
•
The use of vitamins and minerals in cancer treatments is a revalidation of their use to treat other diseases.