the mind > mental capacity > perception or cognition > faculty of imagination > mental image, idea, or fancy > realm of imagination > [noun] > imaginary place > of spectres
1883 J. S. Stallybrass tr. J. Grimm III. 930 Part and parcel of this heathenish spectredom.
1897 20 July 7/3 The tyranny of the manager of spectredom.