1. the action of checking or proving the validity or accuracy of something
2. recognition or affirmation that a person’s feelings or opinions are valid or worthwhile
Usage: psychology

Examples

• The software requires validation of user input before processing.
• Data validation is essential for maintaining database integrity.
• The experiment needs validation through peer review.
• She sought validation from her colleagues about her research findings.
• Children need validation of their emotions from their parents.
• The parking ticket validation machine was out of order.
• His theory awaits validation by the scientific community.