de jure
adverb
[ deɪ ˈjʊəreɪ ]
• according to rightful entitlement or claim; by right.
• "the resolution declared that the independent Republic of Latvia proclaimed on November 18, 1918 was still in existence de jure"
de jure
adjective
• existing or holding a specified position by legal right.
• "he had been de jure king since his father's death"
Origin:
Latin, literally ‘of law’.