Facultative
Part of speech: adjective
Definition: Of or relating to faculty, especially to mental faculty Not obligate; optional, discretionary or elective That grants permission or power to do something
Enabling
Part of speech: verb
Definition: To make somebody able (to do, or to be, something); to give sufficient ability or power to do or to be; to give strength or ability to.
Example sentence: We are seeing healing among the stolen generations, and initiatives which are enabling Indigenous people to make their distinctive contribution to our national life.