accelerate vs put off

To hasten, as the occurrence of an event. 

To become faster; to begin to move more quickly. 

To enable a student to finish a course of study in less than normal time. 

Grow; increase. 

To quicken the natural or ordinary progression or process of. 

To cause to move faster; to quicken the motion of; to add to the speed of. 

To cause a change of velocity. 

To delay (a task, event, etc.). 

To procrastinate. 

To emit; to give off (an odor, smoke, etc.). 

To cause to dislike; to discourage (from doing). 

To distract; to disturb the concentration of.