The word "re-doubted" can be replaced by multiple synonyms that can serve the same purpose and provide similar meanings. Some of the synonyms for "re-doubted" include: re-evaluated, reconsidered, re-examined, reassessed, reanalyzed, and rethought. These synonyms indicate a process of reviewing and analyzing something that was previously considered doubtful or uncertain. They provide an opportunity to approach a particular situation or idea with a fresh perspective and a willingness to explore different possibilities. Using synonyms for "re-doubted" can enhance writing and communication by demonstrating an ability to express oneself through a variety of rich and diverse linguistic options.