boost

the act of giving hope or support to someone

an increase in cost; "they asked for a 10% rise in rates"

the act of giving a push; "he gave her a boost over the fence"

increase; "The landlord hiked up the rents"

give a boost to; be beneficial to; "The tax cut will boost the economy"

contribute to the progress or growth of; "I am promoting the use of computers in the classroom"

increase or raise; "boost the voltage in an electrical circuit"

push or shove upward, as if from below or behind; "The singer had to be boosted onto the stage by a special contraption"