The term 'leave floored' is an idiom that means to be completely astonished or overwhelmed. The two crossword solutions for this term are AMAZE and AWE, both of which are synonyms for the phrase. AMAZE is a verb meaning to fill with wonder or astonishment, while AWE is a noun meaning a feeling of reverential respect mixed with fear or wonder. Both words can be used to describe the feeling of being completely overwhelmed by something.