Dream: [sonho] A series of images, ideas, emotions, and sensations occurring involuntarily in the mind during certain stages of sleep. A daydream; a reverie.A state of abstraction; a trance. A wild fancy or hope. A condition or achievement that is longed for; an aspiration: a dream of owning their own business. One that is exceptionally gratifying, excellent, or beautiful: Our new car runs like a dream.
Delusion [ilusão,delírio]: The act or process of deluding [delude]: - To deceive the mind or judgment of: fraudulent ads that delude consumers into sending in money. See synonyms at deceive. The state of being deluded. A false belief or opinion: labored under the delusion that success was at hand. Psychiatry. A false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness: delusions of persecution [delírios de perseguição].