There are a number of different synonyms for the term "predictable stopping time" that may be useful in certain contexts. One possible alternative is "known braking distance," which refers to the amount of space required to bring a vehicle to a complete stop at a given speed. Another option might be "anticipated stopping time," which implies that the driver or operator of the vehicle is aware of the necessary stopping distance and can plan accordingly. A third alternative might be "foreseeable stopping duration," which emphasizes the fact that the stopping time can be predicted or expected based on certain factors such as vehicle speed, road conditions, and braking capacity. Ultimately, the choice of synonym will depend on the specific context and intended meaning.