Answer: shoreup

AnswerCrossword Clue
SHOREUP

Reinforce

SHOREUP

Fortify

SHOREUP

Bolster

SHOREUP
Provide extra support for
SHOREUP
Brace, as a wall
SHOREUPSupport, as with props
SHOREUPButtress
SHOREUPStrengthen
SHOREUPSupport with props.
SHOREUPProp.