lawful russian

• зако́нно

  it is right, it is in accordance with the law, lawfully, legally

• правоме́рный

  rightful, lawful

Examples

• Он призна́л своего́ сы́на зако́нным насле́дником.He recognized his son as lawful heir.
• Он зако́нный владе́лец компа́нии.He is the lawful owner of the company.