The phrase "without fear" can be replaced with a number of synonyms that convey the same sentiment. One such synonym is "fearlessly," which suggests that one is facing a situation or challenge with bravery and determination. "Confidently" is another synonym that implies a sense of self-assurance and certainty. "Boldly" also conveys a similar meaning, suggesting that one is taking an assertive approach with little regard for potential risks or consequences. Other synonyms for "without fear" might include "unafraid," "courageously," and "intrepidly," all of which suggest a willingness to face challenges head-on and take risks in pursuit of one's goals.