WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / A / authenticator authenticator noun 5 syllables 13 letters Scrabble 18 WWF 20 Definitions noun one who determines authenticity (as of works of art) or who guarantees validity appraiser Look “authenticator” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →