rational mind

• logicScience of valid reasoning
• reasonBasis or justification
• intellectMental reasoning capacity
• analyticalExamining parts methodically
• thinkingMental reasoning process

clarity · deliberate · calculated · objective · detached · cool-headed · systematic · cerebral · methodical · pragmatic · lucid · sensible · sound · measured · discerning · shrewd · level-headed · sober

• ancient philosophyPlato, Aristotle, Socrates, Platonism, Epicureanism