facultative
fa·cul·ta·tive
adjective
1.
of or relating to the mental faculties
2.
3.
granting a privilege or permission or power to do or not do something
- “a facultative enactment”
4.
Origin
From French facultatif. By surface analysis, faculty + -ative.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.