The term 'knocked the socks off of' is an idiom that means to impress someone greatly. The two crossword solutions for this term are 'AWED' and 'WOWED'. 'AWED' is a four-letter word meaning to inspire a feeling of reverential respect or wonder, while 'WOWED' is a five-letter word meaning to overwhelm with surprise or admiration. Both words can be used to describe the feeling of being greatly impressed by something.