Deductive
Deductive adjective - Being or provable by reasoning in which the conclusion follows necessarily from given information.
Usage example: using deductive reasoning we must conclude that since everyone eventually dies, sooner or later it's going to be our turn
Logical and deductive are semantically related in systematic topic. In some cases you can use "Logical" instead an adjective "Deductive", when it comes to topics like realistic.
Logical
Logical adjective - According to the rules of logic.
Deductive and logical are semantically related in syllogistic topic. You can use "Deductive" instead an adjective "Logical".
Mutual synonyms
Both words in one sentence
- Logical fallacies are faulty deductive reasoning.
Source: Logical Fallacies -
Most of all, House's "sleuthing" manner of curing an illness, is similar to Holmes's logical scrutiny of every situation (if a snide, sarcastic and cynical version) pertaining to a crime, observing and breaking down every minute detail, and analyzing it expertly with deductive reasoning.
Source: Series / House - However, one must keep in mind that—depending on the surrounding circumstances—a deductively fallacious argument may still, nonetheless, be a reasonable and (inductively) logical argument that has decent prospects of being true despite the deductive logic being invalid.
Source: Logical Fallacies
Cite this Source
Logical and Deductive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deductive/logical
Deductive & Logical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deductive/logical>.
Logical or Deductive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deductive/logical.
Google Ngram Viewer shows how "deductive" and "logical" have occurred on timeline