There are several synonyms for the phrase "whatever may happen", including "come what may", "regardless of the outcome", "no matter what", "whatever occurs", and "in any event". These expressions are often used to convey a sense of acceptance and preparedness for any situation that may arise. They suggest a willingness to face challenges and adapt to changing circumstances, without being deterred by uncertainty or risk. Whether used in a personal or professional context, these phrases convey a sense of flexibility and resilience, which can be valuable traits in any situation.