favonian (f-vn-n), adj.
1. Of or relating to the west wind.
2. Mild; benign
From Latin Favonius, the Roman god of the west wind,who held dominion over plants and flowers.
"...I came arrayed
In tempest, and, although my power could well
Bridle the forest winds in their career,
For other causes I forbore to soothe
Their fury to Favonian gentleness;..."
- Percy Bysshe Shelley, translation of scenes from the "Magico Prodigioso of Calderon"