standard

n. १ (something that is set up and established by authority as a rule for the measure of quantity, weight, quality, value, etc.) मानक (न.) २ (as, a definite level or degree of quality that is proper and adequate for a specific purpose) प्रमाण (न.) adj. १ मानक— cf. normal २ प्रमाण—, प्रमाणित