Tolerance

noun

1. The ability to endure pain or hardship; endurance.
2. The ability or practice of tolerating; an acceptance of or patience with the beliefs, opinions or practices of others; a lack of bigotry.
3. The ability of the body (or other organism) to resist the action of a poison, to cope with a dangerous drug or to survive infection by an organism.
4. The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement.

   "Our customers can generally accept ten times the tolerance which we can achieve in our machining operations."

5. The ability of the body to accept a tissue graft without rejection.