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Definitions of Validation and Verification

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There seems to be a lot of confusion on the difference between Validation and Verification. I thought these definitions of the word from dictionary.com may be helpful.

First, Validation:

val·i·date ( P ) Pronunciation Key (vl-dt)

tr.v. val·i·dat·ed, val·i·dat·ing, val·i·dates

1. To declare or make legally valid.

2. To mark with an indication of official sanction.

3. To establish the soundness of; corroborate. See Synonyms at confirm.

Now, Verification:

ver·i·fi·ca·tion ( P ) Pronunciation Key (vr-f-kshn)


1. The act of verifying or the state of being verified.


a. A confirmation of truth or authority.

b. The evidence for such a confirmation.

c. A formal assertion of validity.

3. Law. An affidavit that attests to the truth of a pleading.

The words both have similar meanings, however, the first definition of the word "Validation" is why we use this word. We're trying to obtain a declaration that something is legally valid.

Verification is actually a part of validation. As part of Validation, certain truths or authorities must be confirmed, in order to show us that something is legally valid. (See definition 2a of Verification above)

I hope this helps clear up some of the confusion.

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