boost

an increase in cost

the act of giving hope or support to someone

increase or raise

“boost the voltage in an electrical circuit”

increase

contribute to the progress or growth of

give a boost to; be beneficial to

“The tax cut will boost the economy”

push or shove upward, as if from below or behind

“The singer had to be boosted onto the stage by a special contraption”

the act of giving a push

“he gave her a boost over the fence”