Definition of "Boost" :

noun: the act of giving hope or support to someone

noun: the act of giving a push

"He gave her a boost over the fence."

noun: an increase in cost

verb: give a boost to; be beneficial to

"The tax cut will boost the economy."

verb: increase or raise

"Boost the voltage in an electrical circuit."

verb: push or shove upward, as if from below or behind

"The singer had to be boosted onto the stage by a special contraption."

verb: increase

verb: contribute to the progress or growth of