noun (n)

• the trait of being cautious; being attentive to possible danger(noun.attribute)

  Synonym:
  caution, cautiousness
  Antonym:
  incaution, incautiousness
  

  source: wordnet30
• the quality of being careful and painstaking(noun.attribute)

  Example:
  I admired the carefulness of his work.
  

  Antonym:
  carelessness, sloppiness
  

  source: wordnet30
• Quality or state of being careful.(noun)

  source: webster1913