Allowance or tolerance — accepting or permitting something up to a certain limit (e.g., tolerance, permissible margin).
この機械は温度変化を±2度まで許容する設計だ。
This machine is designed to tolerate temperature changes of ±2°C.
文化の違いを許容する姿勢が大切だ。
It's important to have an attitude that tolerates cultural differences.
誤差を許容して計算を進めた。
We proceeded with the calculation allowing for some error.