When trying to convey an estimation or a prediction, the phrase "figure it to be" can be interchanged with a variety of synonyms. Some alternatives include "calculate," "assume," "forecast," "project," "anticipate," and "predict." These synonyms can help to add variation and specificity to language and help to avoid repetitive language. Additionally, using a synonym may better suit the tone and context of the sentence. It's always important to use clear and precise language to make sure your message is being effectively communicated.