Alethic – Definition & Meaning

Alethic is a term that may not be familiar to many people. It is a word that is often used in philosophy and logic, and it has a very specific meaning. In this article, we will explore the definition and meaning of alethic, its origin, and its associations. We will also look at its synonyms and antonyms, as well as some example sentences to help illustrate its use.


Alethic is an adjective that refers to the study of truth. It is often used in philosophy and logic to describe the nature of truth, and the ways in which we can determine whether something is true or false. Alethic is also used to describe the various theories and concepts that relate to truth, such as the correspondence theory of truth, which states that a proposition is true if it corresponds to reality.


The word alethic comes from the Greek word “aletheia,” which means truth. It was first used in the 19th century by philosophers and logicians who wanted to develop a more precise language for discussing truth and related concepts.

Meaning in different dictionaries

According to the Oxford English Dictionary, alethic means “relating to or denoting the nature of truth.” Merriam-Webster defines it as “of or relating to truth.” The Cambridge Dictionary defines it as “relating to the study of truth.”


Alethic is often associated with the study of philosophy and logic, particularly in the areas of epistemology (the study of knowledge) and metaphysics (the study of reality). It is also associated with the concept of truth, and the various theories and concepts that relate to truth.


Some synonyms of alethic include:

  • Truth-related.
  • Veridical.
  • Factual.
  • Authentic.
  • Accurate.


Some antonyms of alethic include:

  • False.
  • Misleading.
  • Inaccurate.
  • Untrue.
  • Deceptive.

The same root words

The root word of alethic is “aletheia,” which means truth. Other words that share this root include:

  • Alethiology: the study of the nature of truth.
  • Alethometer: a device used to measure truthfulness.
  • Alethopteris: a type of fossil fern that is named for its resemblance to truth.

Example Sentences

Here are some example sentences that use the word alethic:

  • The correspondence theory of truth is one of the most widely accepted alethic theories.
  • In order to understand the nature of truth, we must first engage in alethic inquiry.
  • The philosopher spent his entire career studying alethic concepts and theories.
  • The alethic implications of the new scientific discovery are still being debated.
  • The alethic value of this statement is questionable, as it has not been verified by any reliable sources.
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