Answer:

floors

AnswerCrossword Clue
FLOORSFlattens
FLOORSStuns
FLOORSFlabbergasts
FLOORSSkyscraper levels
FLOORSWows
FLOORSStories
FLOORSKnocks for a loop
FLOORSSurfaces for walking
FLOORSBuilding stories
FLOORSElevator stops
FLOORSKnocks the socks off
FLOORSParquet etc.
FLOORSOverwhelms
FLOORSBuilding levels
FLOORSMosaic handiwork
FLOORSKnocks down
FLOORSElevator man's specialty.
FLOORSStories.
FLOORSElevator man's concern.
FLOORSKnocks down.
FLOORSPuzzles: Colloq.
FLOORSStories or storeys
FLOORSThey're often tile-covered
FLOORSLevel seats are on them
FLOORSLeaves speechless
FLOORSBlows away