WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / V / validation validation noun 4 syllables 10 letters Scrabble 14 WWF 17 Definitions noun the act of validating; finding or testing the truth of something proofsubstantiation noun the cognitive process of establishing a valid proof establishment Look “validation” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →