Answer: RATIONAL

AnswerCrossword Clue
RATIONALNot silly.
rationalEndowed with the capacity to reason
rationalBased on or in accordance with reason or logic
rational(of a person) Able to think clearly, sensibly, and logically
rational(of a number, quantity, or expression) Expressible, or containing quantities that are expressible, as a ratio of whole numbers. When expressed as a decimal, a rational number has a finite or recurring expansion
rationala number that can be expressed as a quotient of integers
RATIONALMaking sense
RATIONALTake Gore in small doses? That's sane (8)
RATIONALThinking
RATIONALWell-thought-out
RATIONALLucid
RATIONALCoherent
RATIONALLogical.
RATIONALSensible.
RATIONALIntelligent.
RATIONALSensible
RATIONALReasoned
RATIONALSound
RATIONALAll there
RATIONALExercising reason
RATIONALClear-headed
RATIONALSane