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1. Move faster
   "The car accelerated";
   - speed up, speed, quicken
    
2. Cause to move faster
   "He accelerated the car";
   - speed, speed up
    
3. Cause to occur rapidly
   - induce, stimulate, rush, hasten, speed up

Derived forms: accelerated, accelerates, accelerating

Type of: alter, change, deepen, effect, effectuate, intensify, modify, set up

Antonym: decelerate

Encyclopedia: Accelerate