Definition of rightful

• a. - Righteous; upright; just; good; -- said of persons.
• a. - Consonant to justice; just; as, a rightful cause.
• a. - 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.
• a. - Belonging, held, or possessed by right, or by just claim; as, a rightful inheritance; rightful authority.