If "savage" refers to a wild, uncivilized person or animal:
* Civilized
* Tamed
* Domesticated
* Cultured
* Gentle
* Peaceful
If "savage" refers to a cruel or brutal act:
* Merciful
* Compassionate
* Humane
* Kind
* Gentle
* Forgiving
If "savage" refers to something wild and untamed in nature:
* Domesticated
* Cultivated
* Tamed
* Gentle
* Peaceful
Example:
* "The savage beast was captured and tamed."
* "The savage attack was met with compassion."
It's important to consider the context and choose the antonym that best fits the meaning.