boost
verbUK /buːst/
US /buːst/
To boost something means to make it bigger, stronger, or better.
The new bike gave her a boost of speed.
OTHER MEANINGS
2. To push someone up from below.
He gave his little sister a boost so she could reach the shelf.
3. To help something grow or do better.
The sunny weather will boost the plants in the garden.
4. A happy feeling of excitement or confidence.
Winning the game gave the team a big boost.