When it comes to confirming something again, we may use the word "re-affirm" as a primary term. However, there are many synonyms available that can be used interchangeably based on the context. Here are some commonly used synonyms for "re-affirm": reassert, restate, reaffirm, reiterate, underscore, emphasize, stress, confirm, validate, ratify, endorse, and approve. All of these synonyms have slightly different meanings that distinguish them from each other. Still, they generally have the same fundamental function: to confirm or assert something again. By using different synonyms, one can add variety to their communication or writings while keeping the message clear.