1. a scholar or practitioner of psychohistory, the study of historical events and figures through psychological analysis
Usage: academic; specialized field
2. in science fiction, a person who uses psychohistory (a fictional science predicting large-scale historical trends) to guide civilization
Usage: science fiction; popularized by Isaac Asimov's Foundation series

Examples

• The psychohistorian examined the psychological motivations behind the political leader's decisions.
• Some psychohistorians argue that understanding a president's childhood trauma helps explain their policies.
• In Asimov's novels, the psychohistorian Hari Seldon predicts the fall of the galactic empire.
• The conference brought together psychohistorians from universities across the country.
• Critics debate whether psychohistorians rely too heavily on speculation rather than evidence.