predictor
UK: prɪˈdɪktə | US: prɪˈdɪktər
n. a person or thing that predicts or forecasts future events
n. (statistics) a variable used to estimate or forecast another variable
n. (computing) a component or algorithm that anticipates user input or system behavior
The word "predictor" originates from Latin roots. The prefix pre- means "before," and the root dict- derives from dicere (to say). Combined with the agentive suffix -or, the term literally means "one who says beforehand." This reflects its core function of forecasting or declaring outcomes in advance. The word evolved through Middle French (prédire) before entering English in the 16th century, retaining its logical structure.
The weather predictor warned of an approaching storm.
In machine learning, a predictor variable helps model future trends.
Ancient cultures relied on star patterns as celestial predictors.
The software’s predictor suggests words as you type.
Economic predictors indicate a potential market downturn.