Answer: bolster

AnswerCrossword Clue
BOLSTERFortify
BOLSTERSupport
BOLSTERProp up
BOLSTERShore up
BOLSTERPillow.
BOLSTERUphold.
BOLSTERSupport.
BOLSTERLong pillow.
BOLSTERReinforce
BOLSTERNarrow pillow
BOLSTERAdd support to
BOLSTERStrengthen
bolsterlong pillow
bolsterto support
bolsterto support (to hold up)