WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / authenticate authenticate verb /ɔθɛntəkeɪt/ 4 syllables 12 letters Scrabble 17 WWF 19 Definitions verb establish the authenticity of something Look “authenticate” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →