Reconfirming is the process of verifying something that was previously confirmed. There are some other synonyms for this word that can be used in different contexts. One such word is "reverifying," which means to check or confirm something again. Another synonym is "double-checking," which refers to making sure something is correct by verifying it two times. "Reassuring" is another synonym that implies providing confidence or comfort by confirming something. "Reaffirming" carries a stronger meaning of renewing or strengthening a previous confirmation. Finally, "resubmitting" is another synonym that implies submitting something again for validation. Overall, these synonyms for "reconfirming" can help add depth and precision to one's language use.