noun (n)

• the state of having good sense and sound judgment

  negara punya akal sehat dan suara penghakiman

  Example:
  His rationality may have been impaired.
  

  Synonym:
  reason, reasonableness
  

  source: wordnet30
• the quality of being consistent with or based on logic

  kualiti konsisten dengan atau berdasarkan logik

  Synonym:
  rationalness
  

  source: wordnet30
• The quality or state of being rational; agreement with reason; possession of reason; due exercise of reason; reasonableness.

  kualiti atau keadaan rasional; perjanjian dengan alasan; memiliki alasan; berikutan latihan sebagai alasan; reasonableness.

  source: webster1913