n (uncountable) The ability or practice of tolerating; an acceptance or patience with the beliefs, opinions or practices of others; a lack of bigotry. (defdate|from 18th c.)
n (uncountable) 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. (defdate|from 19th c.)
n (countable) The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement. (defdate|from 20th c.)
n (uncountable) The ability of the body to accept a tissue graft without rejection. (defdate|from 20th c.)