rationality
UK[ˌræʃ.əˈnæl.ə.ti]US[ˌræʃ.əˈnæl.ə.t̬i]
n
The quality of being based on clear, logical thought, or of making decisions based on reason rather than emotion.
n
The quality of being able to think and make judgments in a logical and sensible way.
Morpheme Breakdown
ration
al
ity
ration
reason
al
adjective suffix
ity
noun suffix
Etymology
The word 'rationality' traces its lineage to the Latin ratio, which originally meant a 'reckoning' or 'calculation'. This concrete sense of mathematical accounting evolved abstractly to encompass 'reason' and 'logical thought'. The suffix -alis was added to form the adjective rationalis, meaning 'endowed with reason'. Finally, the abstract noun suffix -itas was appended, creating rationalitas in Medieval Latin, which denoted the state or quality of being reasonable. Thus, the modern English term 'rationality' encapsulates the logical progression from the ancient concept of measurable calculation to the contemporary philosophical quality of sound, reasoned judgment.
Analysis
Structure: ration (reason) + al (adjective suffix) + ity (noun suffix)
- ration: From Latin ratio (reckoning, reason, calculation). Acts as the core root conveying the sense of 'reason'.
- al: A suffix of Latin origin (-alis) used to form adjectives meaning 'of or pertaining to'.
- ity: A noun-forming suffix of Latin origin (-itas) denoting a state or condition.
Examples
The committee's decision was praised for its clarity and rationality.
In a moment of crisis, she managed to maintain her rationality and guide others to safety.
The debate centered on the role of emotion versus rationality in ethical decision-making.