The term 'I'm Impressed!' can be expressed in a variety of ways, using the crossword solutions provided. The four-letter word 'NICE' is often used to express approval or admiration, while the three-letter words 'WOW, ' 'OOH, ' and 'GEE' are all exclamations of surprise or amazement. The five-letter words 'BRAVO, ' 'NEATO, ' and 'OHWOW' are all expressions of admiration or approval, while the six-letter word 'NOTBAD' is an informal way of expressing approval. Finally, the eight-letter word 'VERYGOOD' is a more emphatic way of expressing approval. All of these words can be used to express the sentiment of 'I'm Impressed!'