Edulcorate
Edulcorate , transitive verb
[Latin e out + dulcoratus, past participle of dulcorare to sweeten, from dulcor sweetness, from dulcis sweet: compare French édulcorer.]
1.
To render sweet; to sweeten; to free from acidity.
Succory... edulcorated with sugar and vinegar.
2.
(Chemistry) To free from acids, salts, or other soluble substances, by washing; to purify. [Rare]