anticipatory
Definitions
Characterized by or involving anticipation; done in expectation of a future event.
Serving to represent or realize something before it actually occurs.
Examples
The children waited in an anticipatory silence as the magician prepared to reveal his final trick.
Her anticipatory smile grew wider as she watched the taxi pull up to the curb.
Synonyms
expectant proactive forward-looking preemptive prepared apprehensive predictive
Antonyms
reactive unprepared passive unexpectant surprised after-the-fact unforeseeing