When validate first entered the language in the mid-17th century, its meaning was tied fast to its close relative, the adjective valid, meaning “executed with the proper legal authority and formalities”: to validate something, such as a marriage or treaty, was to make it legally valid.
Check that their courses have been validated by a reputable organization. to recognize the value of a person or their feelings or opinions; to make somebody feel valued validate somebody/something Be sure to validate your child's feelings—don't minimize them.
Definitions of validated adjective declared or made legally valid “a validated claim” synonyms: valid well grounded in logic or truth or having legal force
Validated means confirmed or proven to be true, accurate, or acceptable. It is often used to describe something that has been officially checked, tested, or approved.