PREDICTOR
predictor
(noun) a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell’s arrival
predictor
(noun) information that supports a probabilistic estimate of future events; “the weekly bulletin contains several predictors of mutual fund performance”
forecaster, predictor, prognosticator, soothsayer
(noun) someone who makes predictions of the future (usually on the basis of special knowledge)
Source: WordNet® 3.1
Etymology
Noun
predictor (plural predictors)
Something that anticipates, predicts or foretells.
An independent variable.
Source: Wiktionary
Pre*dict"or, n.
Definition: One who predicts; a foreteller.
Source: Webster’s Unabridged Dictionary 1913 Edition