floor
floor
verb
To surprise or confuse someone completely, leaving them speechless.
"Her sudden question completely floored him."
noun
The flat, lower surface of a room or building on which one walks.
"The child dropped the toy on the floor."
Thesaurus
Synonyms: story, storey, level, coldcock, deck, knock down, dump, flooring, trading floor, base, take aback, blow out of the water