a. dial. [f. SWEET a. + -SOME1.] Sweet, pleasant. Also advb.
1799. S. J. Pratt, Glean. Eng., IV. 377. The yard is a kind of grove. I remember it sweetsome to behold.
1895. F. H. Groome, Two Suffolk Friends, 57. I nivver hard her sing so sweetsome as she did then.