benign
     adj 1: not dangerous to health; not recurrent or progressive
            (especially of a tumor) [ant: {malignant}]
     2: pleasant and beneficial in nature or influence; "a benign
        smile"; "the benign sky"; "the benign influence of pure
        air" [syn: {benignant}] [ant: {malign}]
     3: of disposition or manner; "the benign ruler of millions";
        "benign intentions"
Source: WordNet® 2.0