Definitions:

1. capable of being expressed as a quotient of integers adjective
   • rational numbers
2. consistent with or based on or using reason adjective
   • rational behavior
3. having its source in or being guided by the intellect (as distinguished from experience or emotion) adjective
   • a rational analysis

Synonyms:

• intellectual
• noetic
• rational number

NearBy Words:

• rationale
• rationalisation
• rationalise
• rationalism
• rationalist
• rationalistic
• rationality
• rationalization
• rationalize
• rationally
• rationalness