Contusing is a word that refers to causing bruising or injury to a part of the body. Antonyms for the word contusing would be words that mean to heal, repair, or restore. Some possible antonyms that could be used in context might include the words heal, mend, fix, soothe, or alleviate. These words all suggest a process of restoring health, comfort, or well-being to someone or something that has been injured or damaged. By using these antonyms, one can create a more nuanced and complex understanding of the processes of injury and recovery that are so important to our lives and well-being.