the mind > mental capacity > belief > uncertainty, doubt, hesitation > insecure knowledge, uncertainty > questionable state or quality > state of being unprovable > [noun] > lack of authority
infirmitya1631
unauthoritativeness1644
inauthoritativeness1659
unauthenticity1776
1644 P. HuntonVindic. Treat. Monarchy iv. 27 It brings an illegality and unauthoritativenesse on acts exceeding.