rationality
1. [ noun ] (psychology,psychiatry) the state of having good sense and sound judgment
Synonyms: reason reasonableness
Examples:

"his rationality may have been impaired" "he had to rely less on reason than on rousing their emotions"

Related terms: sanity argue
2. [ noun ] (logic) the quality of being consistent with or based on logic
Synonyms: rationalness
Related terms: logicality
Similar spelling:   rational
  rationalist
  rationally
  rationalize
  rationalism
  rationalise
  rationale
  rationalistic
  rationalness