noun. The action or an instance of revalidating; reappraisal and reaffirmation of something as valid; specifically (in later use) (British) the recertification and relicensing of a doctor or other medical professional.

Is revalidate a word?

To declare valid again.

What does it mean to revalidate?

transitive verb. : to validate again or anew: such as. a : to make (something) legal or valid again Her mother had revalidated her Cuban teaching credentials and begun teaching school.— Linda Marx also : to grant official sanction to (something) again had to get his visa revalidated.