30 validation synonyms include Confirmation, Approval, Verification, Authentication, Endorsement, Certification, Accreditation, and Justification. Validation is a noun, and its antonyms are rejection and disapproval. Here are some additional synonyms for "validation" with example sentences.
30 other ways to say validation.
Customer feedback provided validation for the product.
He needed validation for his idea.
Online validation prevents fraudulent transactions.
She looked for validation in her achievements.
The form requires validation before submission.
validation of the data took several hours.