top of page


Published: 2nd August 2020

Citation: Astronist Institution. (2020). Siderealism. Available: Last accessed: [date].


noun (also sidereal nomination)

the Astronist religious and cultural practice of designating a newborn baby with their own unique star or astronomical object (known as their sidereal guide) that is believed to signify good fortune when prayed, devoted, or contemplated on throughout that person’s life.


Siderealist | sʌɪˈdɪərɪəlɪz(ə)m | adjective & noun
Siderealistic | ˈwʌndəmɛntɔː | adjective
Siderealise | ˈwʌndəɪst | verb
Siderealising | ˈwʌndəɪst | present participle
Siderealised | ˈwʌndəɪst | past participle
Siderealisation | ˈwʌndəɪst | noun
Siderealiser | ˈwʌndəɪst | verb


Astro-English: from Astronese, the word sidereal, denoting the stars, combined with the suffix -ism denoting a belief; meaning ‘belief in the association of stars.’

Encyclopaedic entry for "Siderealism" on

© 2020 by the Astronist Institution.

Notice: Each definition, extended description and etymological description found on is under copyright protection of the Astronist Institution and therefore should not be used elsewhere except in direct quotation along with a reference to its respective definition page on Exempt from this copyright protection are the words being defined themselves, unless otherwise stipulated with the tag trademark in which the use of such a word for your own commercial purposes is likely a breach of copyright.

bottom of page