I see. You're right. Certainly a holistic 'definintion' of "thought" agrees. And I posted a couple other relevant items last night. What might it be if the information in our thoughts does not come from even a protraction or leap of our thoughts, nor from 'material' experience --nor from some kind of imbedded instinct? (I mean, you know... if such a thing could actually happen, what might it be? ;-)
I would have to say that, if it happens, and we don't know where it comes from, then I would say that we don't know where it comes from. ;^)
Now if you then lead into speculation about gods, demons, the tooth fairy, or various visitors from some etherial plane of existence, then, as with betty boop's discussions of the immaterial aspects of consciousness, I simply see no way to discuss it because we cannot define any mutually meaningful terms.