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validation

n.
US //ˌvæɫəˈdeɪʃən// UK //vˌælɪdˈeɪʃən// val·i·da·tion
  1. 1 checking accuracy (n.)
    B2 Upper Intermediate Academic

    the act of checking or proving that something is true, correct, or follows the rules.

    the process of establishing the truth, accuracy, or validity of something through evidence or testing.

    Example

    The system requires email validation before you can create a new account.

    Example

    The research findings underwent rigorous validation by an independent panel of experts to ensure the methodology was sound.

    Usage

    Often used in technical or academic contexts regarding data and research.
  2. 2 emotional support (n.)
    B2 Upper Intermediate

    the feeling that other people understand and accept your emotions or opinions as being real and important.

    the recognition or affirmation that a person's feelings or opinions are valid and worthwhile.

    Example

    It is natural to want some validation from your friends when you are going through a hard time.

    Example

    The therapist provided the patient with the emotional validation necessary to begin discussing their past experiences openly.

    Teacher's tip

    This sense has become very common in modern social and psychological discussions.
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  1. 3 official proof (n.)
    C1 Advanced Formal Law

    a document or mark that shows something is official or legal.

    an object or certificate that serves as evidence of authenticity or legal status.

    Example

    You need to get a validation stamp on your parking ticket at the front desk.

    Example

    Without the proper validation from the embassy, the travel documents were considered insufficient for entry into the country.
Origin

From Middle French validation. By surface analysis, validate + -ion.

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