rightsome

Etymology
From.

Adjective

 * 1) Marked by right or rightness; characteristically right and proper; rightful.
 * 2) * 1834 (original 1535), O'Brien to King Henry VIII:
 * [...] and of your power and bountie, I had never done nothing prejudiciall to Your Grace is pleasure ; but I was counselled by light people, wherof now I am rightsome.