* Increase: This is the most general antonym, meaning to become larger or more intense.
* Escalate: This implies a rapid increase in intensity or severity.
* Worsen: This suggests a decline in quality or condition.
* Grow: This refers to an increase in size or amount.
* Augment: This means to increase something by adding to it.
* Intensify: This emphasizes a strengthening or making more powerful.
For example, if you're talking about the intensity of a storm, the antonym of "abate" might be "intensify." If you're talking about the price of something, the antonym might be "increase."
To find the best antonym, consider the specific situation and the meaning of "abate" in that context.