This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Present participle of alleviate.

"Thankfully, the army of developers who will submit ideas to the Apps for Development Competition represent the body of people who are interested in alleviating, not exacerbating, human suffering."

alleviated    alleviates    alleviating   

help    assist    aid   

soften    relieve    mitigate    diminish    abate   

abbreviate    deviate