What is an antonym for calamity?

Here are some antonyms for calamity, depending on the specific context:

General positive opposites:

* Prosperity

* Success

* Good fortune

* Blessings

* Triumph

* Happiness

* Joy

Opposites related to specific types of calamity:

* Peace (opposite of war or conflict)

* Safety (opposite of danger or disaster)

* Health (opposite of illness or disease)

* Abundance (opposite of famine or poverty)

The best antonym will depend on the specific situation and the meaning of "calamity" in that context.