standard

n. १ (something that is established by authority, custom or gerneral consent as, a model or example to be followed; something that is set up and establishmed by authority as, a rule for the measure of quantity, weight, value, quality, etc.) मानक (न.) २ (a definite level or degree of quality that is proper and adqueate for a specific purpose) प्रमाण (न.), मान (न.)