Agathism (noun)
ag-ath-iz-m
The doctrine that all things ultimately tend towards good, although the means by which this comes about may be evil, unpleasant, unfortunate, etc.
Mid 19th century; earliest use found in The Edinburgh Review. From ancient Greek ἀγαθός good, of uncertain origin + -ism, after agathist.
Example sentences
“While it may be distressing now, if you subscribe to agathism then you’ll know it will be for the better in the end.”