Literally, those who are enlightened

Persons in the early church who had received
baptism; in which ceremony a lighted taper was given them, as a symbol
of the spiritual illumination they has received by that sacrament.

Members of a sect which sprung up in Spain about the
year 1575. Their principal doctrine was, that, by means of prayer, they
had attained to so perfect a state as to have no need of ordinances,
sacraments, good works, etc.; – called also Alumbrados,
Perfectibilists, etc.

An obscure sect of French Familists;

The Hesychasts, Mystics, and Quietists;

The Rosicrucians.

Any persons who profess special spiritual or
intellectual enlightenment.