The word "reconditions" is commonly used to describe the process of improving or refurbishing something so that it is restored to a better condition. However, there are several synonyms for this word that can be used depending on the context or the specific item being improved. Some possible alternatives include "renovate", "restore", "revamp", "renew", "refurbish", "rebuild", "rehabilitate", and "reconstruct". Each of these words conveys the idea of making something better, stronger, or more functional than it was before. Using a variety of synonyms can help to add variety and interest to your writing, while still conveying the same basic message.