exception

noun

1. a deliberate act of omission

   noun.cognition

   Examples

   With the exception of the children, everyone was told the news.

   Synonyms elision exclusion

   Source: WordNet 3.0

2. an instance that does not conform to a rule or generalization

   noun.cognition

   Examples

   All her children were brilliant; the only exception was her last child.

   An exception tests the rule.

   Source: WordNet 3.0

3. grounds for adverse criticism

   noun.communication

   Examples

   His authority is beyond exception.

   Source: WordNet 3.0

4. The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule.

   noun

   Source: webster1913