"Call it a go" is a popular expression that often denotes trying something for the first time. However, there are a number of synonyms that can be used to express this idea, including "give it a shot," "have a crack at it," "take a stab at it," "try your hand at it," or simply stating "let's give it a try." All of these phrases convey a sense of embarking on an endeavor with an open mind and a willingness to experiment and explore new territory. Whether you are trying out a new hobby or embarking on a career change, these synonyms for "call it a go" can help inspire you to take the leap and pursue your dreams.