Common terms referring to such magical energy include mana, numen, chi or kundalini.
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Towards the end of his life, he cautiously allowed cult to his numen.
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When used in this sense, numen is nearly synonymous with mana.
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Imperial responses to the first overtures of cult to the August numen were therefore extremely cautious.
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Cult to a living emperor's numen was quite another matter, and might be interpreted as no less than a statement of divine monarchy.
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Hendrik Wagenvoort thought that perhaps the names were addressed to the numen of the tree itself, trees being of feminine gender in Latin.
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The word numen is also used by sociologists to refer to the idea of magical power residing in an object, particularly when writing about ideas in the western tradition.
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Caesarius is somewhat unclear as to whether the devotees regarded the tree itself as divine or whether they thought its destruction would kill the numen housed within it.
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More examples
A spirit believed to inhabit an object or preside over a place (especially in ancient Roman religion)
Numen ("presence", plural numina) is a Latin term for the power of either a deity or a spirit that is present in places and objects, in the Roman religion. The many names for Italic gods may obscure this sense of a numinous presence in all the seemingly mundane actions of the natural world.
Numen is an academic journal on the history of religions, published by Brill Publishers in Leiden, The Netherlands. ...
A divinity, especially a local or presiding god
A spiritual force or influence often identified with a natural object, phenomenon, or locality.^1