This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who assigns names, as in scientific classification.

n. An assistant who specializes in providing timely and spatially relevant reminders of the names of persons and other socially important information.

n. One who assigns or constructs names for persons or objects or classes thereof, as in a scientific classification system.

n. A document containing such name assignments.

n. One who calls persons or things by their names.

n. One who gives names to things, or who settles and adjusts the nomenclature of any art or science; also, a list or vocabulary of technical names.

n. A person who calls things or persons by their names.

n. One who or that which gives names, or applies individual or technical names.

n. A list of names arranged alphabetically or in some other system; a glossary; a vocabulary; especially, a list of scientific names so arranged.

"Still, the work could lead to breakthroughs in AI and VR and lots of other very exciting acronyms and lead to the development of a 'nomenclator' - a device that can provide people with information about others when they meet for the first time."

nomenclature   

glossary    vocabulary