merciful (
http://definr.com/merciful)
adj 1: showing or giving mercy; "sought merciful treatment for the
captives"; "a merciful god" [ant:
merciless]
2: characterized by mercy, and compassion; "compassionate
toward disadvantaged people"; "kind to animals"; "a humane
judge" [syn:
kind]
3: used conventionally of royalty and high nobility; "our
merciful king"