Based on or involving probability; relating to events that are likely but not certain to occur. Describes systems or reasoning that deal with uncertainty and likelihood rather than absolutes.
From 'probability' (from Latin 'probabilis' meaning 'worthy of approval' or 'likely') plus the suffix '-istic'. The mathematical sense developed in the 17th century with the emergence of probability theory.
This word represents a fundamental shift in human thinking - from seeking absolute certainty to embracing uncertainty as a manageable, mathematical concept. It's the philosophical foundation of everything from weather forecasting to artificial intelligence.
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