boost

noun:an increase or improvement in something, especially in value, amount, or strength
- The marketing campaign gave sales a noticeable boost.
noun:a supportive or encouraging action that helps someone or something succeed
- She gave her friend's new business a boost by sharing it on social media.
verb:to increase, raise, or improve something, especially in quantity or quality
- Adding a pinch of salt will boost the flavor of the soup.
verb:to encourage or support someone, giving them confidence or motivation
- The coach's pep talk boosted the team's morale before the final match.
verb:to give someone a push up to a higher level
- He boosted his son onto his shoulders to see the parade.