"Kept clear" is a phrase that is used to describe a space or area that is free from obstructions or clutter. There are several synonyms that can be used to convey the same meaning. For instance, you can use the phrase "kept tidy" to mean that something is organized and neat. "Maintained uncluttered" is another example, which simply means that a space is free from unnecessary objects. "Clean and clear" is another great way to describe a space that has been well taken care of. Ultimately, using synonyms can help you to make your language more nuanced and descriptive, while ensuring that your intended meaning is clear.