rational

Definitions

Based on or in accordance with reason or logic.

Able to think, decide, and form judgments in a sensible way.

Expressible as or containing a ratio of two integers.

Examples

It is important to remain rational when making major life decisions.

She provided a rational explanation for why she was late to the meeting.

The committee reached a rational conclusion after reviewing all the available evidence.

Synonyms

logical reasonable sensible sound coherent analytical judicious

Antonyms

irrational illogical unreasonable absurd foolish senseless emotional