Answer: inflate

AnswerCrossword Clue
INFLATE

Make swell

INFLATE

Blow up

INFLATE

Prepare an air mattress

INFLATE
Exaggerate
INFLATE
Blow up.
INFLATEExpand.
INFLATEPuff up.
INFLATEDistend
INFLATEExpand, in a way
INFLATEMake bigger
INFLATEEnlarge, in a way