The word softened can be replaced with a variety of synonyms to add more descriptive flair to your writing. For example, you can use the word "mellowed" to indicate a lessening in intensity or hardness. Alternatively, "relaxed" can suggest a reduction in tension or rigidity. "Soothed" implies a gentle calming of emotions or discomfort, and "tempered" suggests a gentle adjustment to a more moderate state. "Blunted" conveys a dulling of impact, while "weakened" suggests a loss of strength or intensity. All of these words can be used interchangeably with softened, depending on the context and tone of your writing.