OED: A name assumed by or applied to
various societies or sects because of their claim to special enlightenment in
religious, or (later) intellectual, matters.
a. Applied to a sect of Spanish heretics which
existed in the 16th c. under the name Alumbrados or _enlightened';
subsequently, to a similar but obscure sect of Familists which arose in France
in Louis XIII's reign.
¿ 25.09.99 V