1) Alleviatory 2) Assuasive 3) Lenitive 4) Mitigative 5) Mitigatory 6) Moderating 7) Palliative 1) Alleviatory 2) Lenitive 3) Mitigating 4) Mitigative 5) Mitigatory 6) Moderating 7) Palliative 8) Serving to alleviate 
• (n.) That which alleviates. • (a.) Tending to alleviate.
Al·le'vi·a·tive adjective Tending to alleviate. -- noun That which alleviates. 
[adj] - moderating pain or sorrow by making it easier to bear
alleviative 1. Moderating pain or sorrow by making it easier to bear. 2. Reducing pain or severity; palliative: 'The doctor provided alleviative treatment for the incurable disease.'
alleviatory adjective moderating pain or sorrow by making it easier to bear
serving to alleviate; palliative.