For the Epicureans, ataraxia was synonymous with the only true happiness possible for a person.
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The ten modes induce suspension of judgement and in turn a state of mental suspense followed by ataraxia.
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For example ataraxia has a different meaning if you are talking about Nietszche than if you were to talk about Epicurus.
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The physician and philosopher Sextus Empiricus wrote that Apelles experienced ataraxia while he was trying to paint a horse.
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He also considered prudence an important virtue and perceived excess and overindulgence to be contrary to the attainment of ataraxia and aponia.
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Instead, despite the apparent conflict with the goal of ataraxia, they claimed to continue searching for something that might be knowable.
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More examples
Peace of mind
(ataraxic) ataractic: tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"
Ataraxia (u1F00u03C4u03B1u03C1u03B1u03BEu03AFu03B1, "tranquillity") is a Greek term used by Pyrrho and Epicurus for a lucid state of robust tranquillity, characterized by ongoing freedom from distress and worry.
Ataraxia is an Italian neoclassical band who combine modern technology with archaic instrumentation over various media. They describe their music as a cross "between sacred and profane, ethereal and neo-classical, contemporary and early music". ...