agathism
/ˈaɡəθɪz(ə)m/Philosophy. Now rare
noun
The doctrine that all things ultimately tend towards good, although the means by which this comes about may be evil, unpleasant, unfortunate, etc.
- Sometimes distinguished from optimism, which holds that all things are now for the best: see optimism..
Origin
Mid 19th century; earliest use found in The Edinburgh Review. From ancient Greek ἀγαθός good, of uncertain origin + -ism, after agathist.