| n. | 1. | The act of giving validity. |
| Noun | 1. | validation - the act of validating; finding or testing the truth of something Synonyms: substantiation, proof |
| 2. | validation - the cognitive process of establishing a valid proof Synonyms: establishment |
| validation - The stage in the software life-cycle at the end of the development process where software is evaluated to ensure that it complies with the requirements. |