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Great Departation

Published: 1st September 2021

Citation: Astronist Institution. (2021). Great Departation. Available: Last accessed [enter date e.g. 1st Sept 2021].

noun  Astroeschatology

the Astronist prophecy that a human exodus of Earth will occur when spaceflight technologies are made available to the masses for a life of spacefaring and settling new planets.


Departational | dɪˈ pɑːteɪʃ(ə)nəl | noun
Departationally | dɪˈ pɑːteɪʃ(ə)nəli | adverb
Departationism | dɪˈ pɑːteɪʃ(ə)nɪz(ə)m | adjective
Departationist | dɪˈ pɑːteɪʃ(ə)nɪst | adjective & noun
Departationistic | dɪˈ pɑːteɪʃ(ə)nɪstɪk | adjective


Astro-English: from Astronese, the word departation is based on the verb depart which is indeed turned into a noun as in “departing Earth”; use of the adjective “great” in this phrase denotes an immense process, one entailing a multitude of components.

Encyclopaedic entry for “Great Departation” on

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