"Re-thought" is a word used to refer to an idea or concept being reconsidered or revised after initial thought or consideration. Some synonyms that can be used in place of "re-thought" include reviewed, reconsidered, reassessed, and reevaluated. These terms can all be used to indicate a change in perspective or a deeper examination of a particular idea or principle. Other synonyms that may be used in this context include revised, edited, updated, and amended. Whether discussing theories, strategies, or beliefs, these synonyms can help to convey a sense of critical analysis and thoughtfulness in communicating one's ideas.