The New York Stock Exchange started out as a coffee house.
supportive
(adjective) furnishing support or assistance; “a supportive family network”; “his family was supportive of his attempts to be a writer”
Source: WordNet® 3.1
supportive (comparative more supportive, superlative most supportive)
Providing support.
Antonym: unsupportive
• supportful
Source: Wiktionary
2 May 2025
(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
The New York Stock Exchange started out as a coffee house.