Definition

1. Noun:
   • A person who makes predictions: Someone who foretells or declares future events, typically based on special knowledge, analysis, or intuition.
   • Information or a factor used for estimation: A piece of data, a variable, or an indicator that supports a statistical or probabilistic estimate of a future outcome or event.
   • A type of computer or device: A mechanical or computational apparatus designed to calculate future positions or outcomes, historically used for applications like controlling anti-aircraft fire.

Examples of Usage

• Noun (Person):
  • The economist is a reliable predictor of market trends.
  • She is known as a predictor of technological shifts.
• Noun (Information/Factor):
  • Strong sales in the first quarter are a good predictor of annual profit.
  • In the study, age was not a significant predictor of success.
• Noun (Device):
  • The military used an analog predictor to aim the artillery.
  • Early fire-control systems relied on a mechanical predictor.

Advanced Usage

• Statistical Predictor: In data science and statistics, a predictor variable (often called an independent variable) is used in a model to forecast the value of an outcome variable.
  • In the regression model, advertising spend was the strongest predictor of customer growth.
• Leading Predictor: A factor that consistently indicates a future trend or event before it happens.
  • Consumer confidence is often a leading predictor of economic expansion.

Variants and Related Words

• Predict (verb): To say or estimate that a specified thing will happen in the future.
  • It is difficult to predict the weather accurately.
• Prediction (noun): A statement about what will happen or might happen in the future.
  • Her prediction about the election proved correct.
• Predictive (adjective): Relating to or having the effect of predicting.
  • The software has strong predictive capabilities.
• Predictable (adjective): Able to be predicted.
  • The outcome was entirely predictable.

Synonyms

• Forecaster: One who predicts or estimates a future event.
• Prognosticator: A person who foretells future events.
• Indicator: A thing that indicates the state or level of something, often used as a sign of what will happen.
• Oracle (figurative): A person or thing regarded as an infallible authority or guide to the future.

Related Phrases

• Predictor variable: (Statistics) A variable used to predict the value of another variable.
  • Researchers identified several key predictor variables for the disease.
• Outperform a predictor: To achieve a result better than what was forecasted.
  • The company's revenue outperformed all predictors.

Noun

1. a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival
2. information that supports a probabilistic estimate of future events
   • the weekly bulletin contains several predictors of mutual fund performance
3. someone who makes predictions of the future (usually on the basis of special knowledge)