Answer: floored

AnswerCrossword Clue
FLOOREDConfounded
flooredground surface the ocean floor
flooredFLOOR, to supply with the lower supporting surface of a room
flooredlower limit base
flooredmain level space (as in a stock exchange or legislative chamber) distinguished from a platform or gallery
flooredory
flooredstructure dividing a building into stories
flooredthe level base of a room
FLOOREDStunned ... just stunned
FLOOREDStruck dumb
FLOOREDKnocked for a loop
FLOOREDConfounded: Colloq.
FLOOREDNonplused: Colloq.
FLOOREDPuzzled: Colloq.
FLOOREDKnocked
FLOOREDBowled over
FLOOREDAstounded
FLOOREDKnocked one's socks off
FLOOREDKnocked down