benignant

1. Favorable; beneficial.
2. Kind and gracious.

adjective

1. Affording benefit: advantageous, benefic, beneficent, beneficial, favorable, good, helpful, profitable, propitious, salutary, toward, useful. See help/harm/harmless.
2. Characterized by kindness and concern for others: altruistic, beneficent, benevolent, benign, good, goodhearted, kind, kindhearted, kindly. See attitude/good attitude/bad attitude/neutral attitude, kind/cruel.

The adjective has 2 meanings:

Meaning #1: pleasant and beneficial in nature or influence
  Synonym: benign

Meaning #2: characterized by kindness and warm courtesy especially of a king to his subjects
  Synonym: gracious