Synonyms of hallucinate
imagineDictionary • Miguel stared at him, as if he were hallucinating.
imagine • Looking back, I think I must have imagined the whole thing.
envision • trying to envision the outcome of his actions
daydream • He daydreams of being a famous journalist.
fantasize • I fantasized about writing music.
freak out (informal)
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daydreamIf you daydream, you think about pleasant things for a period of time, usually about things that you would like to happen.
• He daydreams of being a famous journalist.
envisionIf you envision something, you envisage it.
• trying to envision the outcome of his actions
fantasizeIf you fantasize about an event or situation that you would like to happen, you give yourself pleasure by imagining that it is happening, although it is untrue or unlikely to happen.
• I fantasized about writing music.
Thesaurus for hallucinate from the Collins English Thesaurus