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Etymology

cognitive dissonance

/ˈkɒɡnɪtɪv ˈdɪsənəns/

noun

Origin

Latin

cognoscere / dissonare — to know / to disagree in sound

Overview

Meaning Now

  • The mental discomfort or psychological stress experienced by a person who holds two or more contradictory beliefs, ideas, or values simultaneously.
  • The state of having inconsistent thoughts, beliefs, or attitudes, especially as relating to behavioral decisions and attitude change.

Language path

Latin → English

Earliest form

cognitive dissonance

Earliest period

1957

Journey

The term was popularized by Leon Festinger's 1957 book. He proposed that individuals have an inner drive to hold all their attitudes and beliefs in harmony and avoid disharmony (dissonance). When there is an inconsistency between attitudes or behaviors, something must change to eliminate the dissonance.

Evolution

  1. Classical Latin

    cognoscere

    “to get to know, recognize”

  2. Classical Latin

    dissonare

    “to sound differently, be discordant”

  3. 1957

    cognitive dissonance

    “psychological theory of mental tension”

    Coined by Leon Festinger

Connections

Word parts

cognit-

root

knowing

-ive

suffix

tending to

dis-

prefix

apart

son-

root

sound

Related across languages

  • French

    dissonance cognitive

    cognitive dissonance

  • Italian

    dissonanza cognitiva

    cognitive dissonance

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External references use DefinedTerm semantics.