theosis

jumalallisuus, teoosi

jumalallistuminen, teoosi puhekieltä The likeness to or union with a god; deification.
2009, (w), A History of Christianity, Penguin 2010, p. 440:

For him, theosis or deification was the destination for human salvation, whose attainment Adam's sin in Eden had imperilled but not rendered impossible ....