a thing that is accepted as true or as certain to happen, without proof.

a belief or statement taken for granted without proof.

बिना प्रमाण के मान्यता या कथन।

English Usage: Her assumptions about the project were later proven incorrect.

Hindi Usage: परियोजना के बारे में उसके अनुमानों को बाद में गलत साबित किया गया।