GNU Collaborative International Dictionary of English

Found one definition

  1.       
    Accelerate (), v. t. [imp. & p. p. Accelerated (); p. pr. & vb. n. Accelerating.] [L. acceleratus, p. p. of accelerare; ad + celerare to hasten; celer quick. See Celerity.]
    1. To cause to move faster; to quicken the motion of; to add to the speed of; -- opposed to retard.

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    2. To quicken the natural or ordinary progression or process of; as, “to accelerate the growth of a plant, the increase of wealth, etc.”

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    3. To hasten, as the occurrence of an event; as, “to accelerate our departure”.

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    Accelerated motion (Mech.), motion with a continually increasing velocity. -- Accelerating force, the force which causes accelerated motion.
    Nichol.

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    Syn. -- To hasten; expedite; quicken; dispatch; forward; advance; further.

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