The term ARCOLOGY is the result of the combination of the words ARChitecture and ecOLOGY.


The word COSANTI was coined by Paolo Soleri in the 1950s as the result of combining COSA , meaning “thing” and ANTI, meaning “before”. The term reflects Soleri’s concerns about hyper-consumption in our society and can be flipped to Anti-Cosa, meaning against excessive materialism. 

Cosanti is the name of the site in Phoenix where Paolo Soleri built his permanent home and studio space, and it is also the name of the Cosanti Foundation, the 501(c)-2 nonprofit organization that manages Cosanti and Arcosanti.


The word ARCOSANTI is a combination of ARcology and COSANTI.