decelerate

Verb (usu participle)

de=cel=er=ate

WORDNET DICTIONARY

decelerate(v = verb.change) retard, slow, slow down, slow up - lose velocity; move more slowly; "The car decelerated"

is one way to decrease, diminish, fall, lessen

Antonym: accelerate

Derived form noun deceleration₁

Sample sentences:
Something ----s
Somebody ----s
Somebody ----s something
Something ----s something

decelerate(v = verb.change) slow down - reduce the speed of; "He slowed down the car"

is one way to alter, change, modify

Antonym: accelerate

Derived form noun deceleration₁

Sample sentences:
Somebody ----s something
Somebody ----s somebody
Something ----s somebody
Something ----s something

decelerate, v.
1 intr. & tr. begin or cause to begin to reduce speed.
2 tr. make slower (decelerated motion).

Derivative

deceleration n. decelerator n. decelerometer n.

Etymology

DE-, after ACCELERATE

For further exploring for "decelerate" in Webster Dictionary Online