accelerate
ac•cel•er•ateBrE /əkˈseləreɪt/
NAmE /əkˈseləreɪt/
verb
verb forms
word origin
thesaurus1 [intransitive, transitive] to happen or to make sth happen faster or earlier than expected
example bank
Inflation continues to accelerate.~ sth Exposure to the sun can accelerate the ageing process. 2 [intransitive] (of a vehicle or person) to start to go fasterThe runners accelerated smoothly around the bend.The car accelerated to overtake me. 
decelerate
