*edulcorate*

v. t. [ imp. & p. p. Edulcorated p. pr. & vb. n. Edulcorating. ] [ L. e out + dulcoratus, p. p. of dulcorare to sweeten, fr. dulcor sweetness, fr. dulcis sweet: cf. F. édulcorer. ] 1. To render sweet; to sweeten; to free from acidity. [ 1913 Webster ]

Succory . . . edulcorated with sugar and vinegar. Evelyn. [ 1913 Webster ]

2. (Chem.) To free from acids, salts, or other soluble substances, by washing; to purify. [ R. ] [ 1913 Webster ]