Answer:

bolster

Answer	Crossword Clue
BOLSTER	Fortify
BOLSTER	Support
BOLSTER	Prop up

BOLSTER	Shore up
BOLSTER	Pillow.
BOLSTER	Uphold.
BOLSTER	Support.
BOLSTER	Long pillow.
BOLSTER	Reinforce
BOLSTER	Narrow pillow
BOLSTER	Add support to

BOLSTER	Strengthen

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.