What is the meaning of boost?

noun

• The act of giving hope or support to someone.
  • synonyms: encouragement
• An increase in cost.
  • usage: "they asked for a 10% rise in rates"
  • synonyms: rise, hike, cost increase
• The act of giving a push.
  • usage: "he gave her a boost over the fence"

verb

• Increase.
  • usage: "The landlord hiked up the rents"
  • synonyms: hike, hike up
• Give a boost to; be beneficial to.
  • usage: "The tax cut will boost the economy"
• Contribute to the progress or growth of.
  • usage: "I am promoting the use of computers in the classroom"
  • synonyms: promote, advance, further, encourage
• Increase or raise.
  • usage: "boost the voltage in an electrical circuit"
  • synonyms: advance, supercharge
• Push or shove upward, as if from below or behind.
  • usage: "The singer had to be boosted onto the stage by a special contraption"