The word "legitimized" is correct and usable in written English.
You can use it when you want to describe someone or something that has been made legitimate. For example: His research was legitimized when he was awarded a prestigious grant from the National Science Foundation.
Diane was legitimized in 1547.
The third defense that the church used against the gnostics and syncretistic and charismatic movements within the church was the office of bishop, which became legitimized through the concept of apostolic succession.
The duc de Chartres retaliated by studiously neglecting his wife, Françoise-Marie de Bourbon, the king's favourite legitimized daughter.
While royal rule, as legitimized by blood descent, had almost vanished as an effective principle of government in the modern world, monocracy a term that comprehends the rule of non-Western royal absolutists, of generals and strongmen in Latin America and Asia, of a number of leaders in postcolonial Africa, and of the totalitarian heads of communist states still flourished.
In large part, it is a response to the abuses of capitalist development and its underlying and essentially uncritical conception of individual liberty, which tolerated, and even legitimized, the exploitation of working classes and colonial peoples.
These conditions improved considerably during Elizabeth's reign, when, in 1574, regular weekday performances were legitimized and when, in 1576, the first playhouse was built, by James Burbage.
Many historians regard 1920 as the end of the revolution, but sporadic violence and clashes between federal troops and various rebel forces continued until the reformist president, Lázaro Cárdenas, took office in 1934 and institutionalized the reforms that were fought for during the revolution and were legitimized in the constitution of 1917.
It granted permission for Roman Catholics in Quebec to hold public office; stipulated that an appointed council, rather than an elected assembly, would advise the governor; and legitimized French civil law, though English criminal law was to be in force.
By a Roman noblewoman, Vannozza Catanei, he had four subsequently legitimized offspring—Juan, Cesare, Jofré, and Lucrezia whose complicated careers troubled his pontificate.
John had been named defender of the realm, but in April 1385 representatives of the three estates met in the Cortes (assembly) of Coimbra, and, after it had been demonstrated that King Pedro's elder surviving sons had not been legitimized, John was elected king.
The elder son of King Henry IV by his mistress, Gabrielle d'Estrées, Vendôme was legitimized in 1595 and created Duke de Vendôme in 1598.
