Adjektive
dilute {d}, [ more dilute ; most dilute ]
mitigatory [ more mitigatory ; most mitigatory ] , {med.}
eased {feelings & emotions}, {account.}
dilutive [ more dilutive ; most dilutive ]
subdued [ more subdued ; most subdued ]
Noun
palliative [ more palliative ; most palliative] , {med.}