logical
adjective
[ ˈlɒdʒɪk(ə)l ]
• of or according to the rules of logic or formal argument.
• "a logical impossibility"
Similar:
reasoning,
thinking,
straight-thinking,
rational,
objective,
analytical,
cerebral,
insightful,
intelligent,
judicious,
wise,
sensible,
hard-headed,
Origin:
late Middle English: from medieval Latin logicalis from late Latin logica (see logic).
-logical
combining form
• in adjectives corresponding chiefly to nouns ending in -logy (such as pharmacological corresponding to pharmacology ).