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logical

[loj-i-kuh l]
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adjective
  1. according to or agreeing with the principles of logic: a logical inference.
  2. reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
  3. reasonable; to be expected: War was the logical consequence of such threats.
  4. of or relating to logic.
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Origin of logical

From the Medieval Latin word logicālis, dating back to 1490–1500. See logic, -al1
Related formslog·i·cal·i·ty [loj-i-kal-i-tee] /ˌlɒdʒ ɪˈkæl ɪ ti/, log·i·cal·ness, nounlog·i·cal·ly, adverbhy·per·log·i·cal, adjectivehy·per·log·i·cal·ly, adverbhy·per·log·i·cal·ness, nounhy·per·log·i·cal·i·ty, nounnon·log·i·cal, adjectivenon·log·i·cal·ly, adverbnon·log·i·cal·ness, nounnon·log·i·cal·i·ty, nouno·ver·log·i·cal, adjectiveo·ver·log·i·cal·ly, adverbo·ver·log·i·cal·ness, nouno·ver·log·i·cal·i·ty, nounpre·log·i·cal, adjectivepre·log·i·cal·ly, adverbqua·si-log·i·cal, adjectivequa·si-log·i·cal·ly, adverbsu·per·log·i·cal, adjectivesu·per·log·i·cal·ly, adverbsu·per·log·i·cal·i·ty, nounun·log·i·cal, adjectiveun·log·i·cal·ly, adverb

Synonyms

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1, 3. valid.

Antonyms

1–3. unreasonable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for logicality

Historical Examples

  • He observed, he reasoned, he found explanations; but he did not always discriminate as to the logicality of his reasonings.

    A History of Science, Volume 1(of 5)

    Henry Smith Williams

  • Once again, one caught sight in the music of the French clarity and orderliness, logicality and conciseness.

    Musical Portraits

    Paul Rosenfeld

British Dictionary definitions for logicality

logical

adjective
  1. relating to, used in, or characteristic of logic
  2. using, according to, or deduced from the principles of logica logical conclusion
  3. capable of or characterized by clear or valid reasoning
  4. reasonable or necessary because of facts, events, etcthe logical candidate
  5. computing of, performed by, used in, or relating to the logic circuits in a computer
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Derived Formslogicality or logicalness, nounlogically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for logicality

logical

adj.

early 15c., "based on reason," from logic + -al (1). Meaning "pertaining to logic" is c.1500. Attested from 1860 as "following as a reasonable consequence." Related: Logically.

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Online Etymology Dictionary, © 2010 Douglas Harper