Definition

Adverb: In a manner based on reason, logic, and clear thinking rather than on emotions or impulses.

Usage

The adverb "rationally" describes how an action is performed or a decision is made. It modifies verbs to indicate that the process is logical and sensible. * You should try to think rationally about this problem. * She argued her point calmly and rationally. * The system is designed to operate rationally and efficiently.

Examples

• When faced with a crisis, it is important to act rationally.
• He could not rationally explain his sudden decision to quit his job.
• The philosopher encouraged his students to question everything rationally.

Advanced Usage

• "to behave rationally": To act in a way that is logically consistent with one's goals and available information, often contrasted with emotional behavior.
  • Even under pressure, a good leader is expected to behave rationally.
• In philosophy and economics, "rationally" often implies acting to maximize utility or achieve an objective based on a logical calculation of costs and benefits.
  • The model assumes that all consumers will act rationally to maximize their satisfaction.

Variants and Related Words

• Rational (adjective): Based on or in accordance with reason or logic.
  • There is a rational explanation for the phenomenon.
• Rationality (noun): The quality of being based on or in accordance with reason or logic.
  • His argument was praised for its clarity and rationality.
• Rationalize (verb): To attempt to explain or justify (one's own or another's behavior or attitude) with logical, plausible reasons, even if these are not true or appropriate. (Note: This can have a negative connotation).
  • He tried to rationalize his excessive spending as an investment.

Synonyms

• Logically
• Reasonably
• Sensibly
• Coherently

Antonyms

• Irrationally
• Emotionally
• Illogically
• Unreasonably

Adverb

1. in a rational manner
   • we must act rationally