logical

 
Pronunciation: /ˈlɒdʒɪk(ə)l/

adjective

  • of or according to the rules of logic or formal argument: a logical impossibility
  • characterized by or capable of clear, sound reasoning: her logical mind the information is displayed in a simple and logical fashion
  • (of an action, decision, etc.) expected or sensible under the circumstances: the polar expedition is a logical extension of his Arctic travels

Derivatives

logicality

Pronunciation: /-ˈkalɪti/
noun

logically

adverb
[sentence adverb]: such a situation is logically impossible

Origin:

late Middle English: from medieval Latin logicalis from late Latin logica (see logic)