declassification

/diːˌklæsɪfɪˈkeɪʃən/
noun
  1. The process of making secret or classified information available to the public.
    • The declassification of Cold War documents revealed new historical details.
    • Historians eagerly awaited the declassification of the president's private letters.
    • The government announced the declassification of files related to the investigation.
What does "declassification" mean? | whatsthatwordmean | whatsthatwordmean