Douglas Harper's Etymology Dictionary
"a bringing into harmony," 1820, from attune + -ment.
Wiktionary
n. (context uncountable English) The quality of being in tune with something
Wikipedia
Attunement is a form of energy medicine originally developed by Lloyd Arthur Meeker (1907 – 1954) and his colleagues. Meeker taught and practiced Attunement as a central feature of his spiritual teaching and ministry, Emissaries of Divine Light. Attunement is taught as a personal spiritual practice and as a healing modality offered through the hands. Emissaries of Divine Light believe that Attunement is a pivotal factor in the conscious evolution of humanity.
Like Qigong, Reiki and Therapeutic touch Attunement is a putative practice as defined by the United States National Center for Complementary and Integrative Health (NCCIH), lacking published scientific study of its effectiveness. Attunement practitioners and clients rely on personal and anecdotal experience to confirm its validity.
Usage examples of "attunement".
Correct application of the law of contagion allows thaumaturgical tools to keep the mystic links to their original manufacturer even when someone else uses them, while the law of similarity permits their attunement to any wizard because of his likeness to the mage who made them.
Platonic conclusion: mental health is attunement with the Kosmosa Kosmos that includes matter, body, mind, soul, and spirit.
A culture that has less than that attunement is a sick culture, and a society that inculcates less than that attunement is a sick society, and a medical establishment that promotes less than that attunement is a sick establishment.
Truth no longer means attunement with the Kosmos, but merely how to map the cosmos.
As one might expect, telepathic attunement is commonly found between close members of a family or between close friends.
Correct application of the law of contagion allows thaumaturgical tools to keep the mystic links to their original manufacturer even when someone else uses them, while the law of similarity permits their attunement to any wizard because of his likeness to the mage who made them.
Keeper, and then only after a long period of attunement, of matching resonances.
Diet alone would not account for the dullness of their hide and their deadened attunement.
She had, she hoped, succeeded in shielding them from the worst of it, but she feared that Chipp suspected what was wanted of her, and she feared that Minah, with her attunement to the realms of the spirits, knew.