tolerance in WordNet English dictionary

1. a permissible difference; allowing some freedom to move within limits
   allowance  leeway  margin  tolerance 
   
2. a disposition to allow freedom of choice and behavior
   permissiveness  tolerance 
   
3. the act of tolerating something
   tolerance 
   
4. the power or capacity of an organism to tolerate unfavorable environmental conditions
   tolerance 
   
5. willingness to recognize and respect the beliefs or practices of others
   tolerance