boost

US /buːst/
UK /buːst/
"boost" picture
1.

to help improve something or make it more successful

:
The new advertising campaign aims to boost sales.
Winning the competition really boosted her confidence.
2.

to push someone or something up from below

:
He gave me a boost over the wall.
Can you boost me up so I can reach the top shelf?
1.

an act of helping or encouraging someone or something

:
The tax cuts gave the economy a much-needed boost.
A word of encouragement can give someone a big boost.