accelerative

[ ak-sel-uh-rey-tiv, -er-uh-tiv ]
/ ækˈsɛl əˌreɪ tɪv, -ər ə tɪv /

adjective

tending to accelerate; increasing the velocity of.
Also ac·cel·er·a·to·ry [ak-sel-er-uh-tawr-ee, -tohr-ee] /ækˈsɛl ər əˌtɔr i, -ˌtoʊr i/.

Origin of accelerative

First recorded in 1745–55; accelerate + -ive

OTHER WORDS FROM accelerative

non·ac·cel·er·a·tive, adjective non·ac·cel·er·a·to·ry, adjective un·ac·cel·er·a·tive, adjective