dulcorate

from WordNet (r) 3.0 (2006)

dulcorate
    v 1: make sweeter in taste [syn: {sweeten}, {dulcify},
         {edulcorate}, {dulcorate}] [ant: {acetify}, {acidify},
         {acidulate}, {sour}]

from The Collaborative International Dictionary of English v.0.48

Dulcorate \Dul"co*rate\, v. t. [L. dulcoratus, p. p. of
   dulcorare, fr. dulcor sweetness, fr. dulcis sweet.]
   To sweeten; to make less acrimonious. [R.] --Bacon.
   [1913 Webster]