the action of checking or proving the validity or accuracy of something.

"the technique requires validation in controlled trials"

the action of making or declaring something legally or officially acceptable.

"new courses, subject to validation, include an MSc in Urban Forestry"

recognition or affirmation that a person or their feelings or opinions are valid or worthwhile.

"they have exaggerated needs for acceptance and validation"🗣️🗣️🗣️🗣️🗣️🗣️🗣️🗣️