Right"ful (?), a.
1. Righteous; upright; just; good; -- said of persons. [Obs.]
Chaucer.
2. Consonant to justice; just; as, a rightful cause.
3. Having the right or
just claim according to established laws;
being or holding by right; as, the
rightful heir to a throne or an estate;
a rightful king.
4. Belonging, held, or possessed by right, or by just claim; as, a rightful inheritance; rightful authority.
Syn. -- Just; lawful; true; honest; equitable; proper.
Hear it pronounced