Another word for delusions

After a long trial, carried out with elaborate formality and great unfairness, the unhappy Joan was found guilty of proclaiming as divine visions what were delusions of the evil one, or of her own vain imagination, and when she persisted in maintaining their reality she was declared a relapsed heretic, and burnt at Rouen on the 30th of May 1431.

I have no delusions about the reality of Angel sans soul.

The American revolution, some historians now argue, was rooted in a pandemic of persecutory delusions.

Shams and delusions are esteemed for soundest truths, while reality is fabulous.

It's good to have delusions.