Right"ful (?), a.
Righteous; upright; just; good; -- said of persons.
Consonant to justice; just; as, a rightful cause.
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.
Belonging, held, or possessed by right, or by just claim; as, a rightful inheritance; rightful authority.
Syn. -- Just; lawful; true; honest; equitable; proper.
© Webster 1913.