The phrase "belled the cat" refers to the act of undertaking a dangerous or difficult task, often used in the context of a group of people deciding who among them should undertake a risky or challenging mission. Some synonyms for this phrase include "take on the challenge," "step up to the plate," "accept the responsibility," and "assume the risk." These terms all convey a sense of bravery and willingness to take on a difficult task, regardless of the potential risks involved. Whether applied to personal or professional endeavors, the act of "belled the cat" requires courage, determination, and a willingness to face the unknown.