RACI (pronounced “racy”) stands for being…

Responsible
Accountable
Consulted
Informed

When you’re facing a particular practice, behavior, or protocol, make a “RACI chart” to map out the delegation parameters for all the related work. Jot down who is responsible for carrying out the piece of work, how he/she is accountable, who has to be consulted, and who has to be informed. Learn more about RACI protocols at…

https://www.projectsmart.co.uk/how-to-do-raci-charting-and-analysis.php

(Thank for the tip, Greg!)