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1. Of, relating to, in accordance with, or of the nature of logic: logical disputation.
2. Based on earlier or otherwise known statements, events, or conditions; reasonable: Rain was a logical expectation, given the time of year.
3. Reasoning or capable of reasoning in a clear and consistent manner: a very logical person.

log′i·cal′i·ty (-kăl′ĭ-tē), log′i·cal·ness n.
log′i·cal·ly adv.
Synonyms: logical, analytic, ratiocinative, rational
These adjectives mean capable of or reflecting the capability for correct and valid reasoning: a logical mind; an analytic thinker; the ratiocinative process; a rational being.
Antonym: illogical
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.logicalness - correct and valid reasoning
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
rationalness, rationality - the quality of being consistent with or based on logic
consistency - (logic) an attribute of a logical system that is so constituted that none of the propositions deducible from the axioms contradict one another
completeness - (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system
illogic, illogicality, illogicalness, inconsequence - invalid or incorrect reasoning
References in periodicals archive ?
They propose questioning the clarity, precision, accuracy, relevance, depth, breadth, logicalness and fairness of the thinker.
When creating motivational programme it is very useful to take into account certain rules, principles ensuring its greater responsibility, logicalness and lucidity [16].
Setting of boundary conditions may also be experimental which involves comparison of the logicalness and reasonableness of the results achieved by various means.