logical

[loj-i-kuhl]

adjective

according to or agreeing with the principles of logic: a logical inference.
reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
reasonable; to be expected: War was the logical consequence of such threats.

of or relating to logic.

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 for logical

1, 3. valid.

Antonyms for logical

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 of logicality

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

relating to, used in, or characteristic of logic
using, according to, or deduced from the principles of logica logical conclusion
capable of or characterized by clear or valid reasoning
reasonable or necessary because of facts, events, etcthe logical candidate
computing of, performed by, used in, or relating to the logic circuits in a computer

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.