The New York Stock Exchange started out as a coffee house.
witness, attestant, attestor, attestator
(noun) (law) a person who attests to the genuineness of a document or signature by adding their own signature
Source: WordNet® 3.1
21 April 2025
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
The New York Stock Exchange started out as a coffee house.