bolster
Definitions
To support, strengthen, or reinforce something.
A long, thick pillow that is placed under other pillows for support.
Examples
The company hopes that the new marketing campaign will bolster its declining sales figures.
She used a decorative bolster to add extra comfort and support to the antique sofa.
The government decided to lower interest rates to bolster the struggling economy.
Synonyms
strengthen support reinforce fortify buttress uphold sustain