Call it is a common phrase that can be substituted with a range of synonyms depending on the context. Some of the most popular synonyms for "call it" include: declare, announce, proclaim, state, determine, decide, judge, conclude and assess. These words can be used for various reasons, such as when making a decision, coming to a conclusion or declaring the outcome of a situation. They can help in avoiding repetition, adding diversity to the language, and conveying the tone or emphasis required in a particular context. It's essential to use the right synonym to ensure clarity and aptness in the message being conveyed.