tolerant

willing to accept the beliefs, feelings, habits, or behaviors of another group, culture, etc. as legitimate even when they differ from one's own —often used with of

permitting or accepting something (such as a behavior or belief) that one does not like —often used with of

exhibiting tolerance for something (such as a drug or an environmental factor)

relating to or being a computer or program with a self-contained backup system that allows continued operation when major components fail