Permissiveness
Part of speech: noun
Definition: The relative likelihood of something or someone to grant permission or allow something to happen.
Tolerance
Part of speech: noun
Definition: The ability to endure pain or hardship; endurance.The ability or practice of tolerating; an acceptance or patience with the beliefs, opinions or practices of others; a lack of bigotry.The ability of the body to resist the action of a poison, to cope with a dangerous drug or to survive infection by an organism.The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement.The ability of the body to accept a tissue graft without rejection.
Example sentence: Rejection is a common occurrence. Learning that early and often will help you build up the tolerance and resistance to keep going and keep trying.