A list of permissions associated with an object. The list specifies who or what is allowed to access the object and what operations are allowed to be performed on the object.
NIST SP 800-179 under Access Control List (ACL)
(NISTIR 7298 Rev. 2)
A mechanism that implements access control for a system resource by enumerating the identities of the system entities that are permitted to access the resources.
NIST SP 800-82 Rev. 2 under Access Control List (ACL)
A list of entities, together with their access rights, that are authorized to have access to a resource.
NISTIR 5153 under Access Control List
(ISO DIS 10181-2)