The quality or state of being rational; agreement with reason; possession of reason; due exercise of reason; reasonableness
His sudden loss of rationality was brought on by excess drink.
the state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions"
the quality of being consistent with or based on logic the state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions