ADJECTIVE (1)

1. easily calmed or pacified;

The Collaborative International Dictionary of English v.0.48:

Placable \Pla"ca*ble\, a. [L. placabilis, fr. placare to quiet,
   pacify: cf. F. placable. See Placate.]
   Capable of being appeased or pacified; ready or willing to be
   pacified; willing to forgive or condone.
   [1913 Webster]

         Methought I saw him placable and mild.   --Milton.
   [1913 Webster]