| Noun | 1. | predictor - someone who makes predictions of the future (usually on the basis of special knowledge)astrologer, astrologist - someone who predicts the future by the positions of the planets and sun and moon | |
| 2. | predictor - information that supports a probabilistic estimate of future events; "the weekly bulletin contains several predictors of mutual fund performance"information - knowledge acquired through study or experience or instruction | |
| 3. | predictor - a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival | |