There are numerous synonyms that can be used in place of the phrase 'smashed into.' Some of these words include 'collided,' 'rammed,' 'hit,' 'crashed,' 'slammed,' 'bashed,' 'bumped,' 'crunched' and 'impacted.' Each of these words carries a slightly different connotation, which can help to describe the type of collision that occurred. For instance, 'collided' may suggest a more accidental or unavoidable crash, while 'rammed' carries with it a more deliberate act. Choosing the appropriate synonym can help to paint a more vivid picture of the event and provide a clearer understanding of what happened.