When you take something as proved, you are accepting it as true or certain. However, there are many synonyms that you can use to replace this phrase and convey the same meaning. These synonyms include "assume," "believe," "accept," "acknowledge," "affirm," "confirm," "endorse," "validate," and "certify." All of these words express a sense of conviction or certainty in the truth of something. When writing, it's important to vary your language and avoid repeating the same phrases over and over. Using synonyms for "take as proved" can help make your writing more interesting and engaging.