The Collaborative International Dictionary
Legitimize \Le*git"i*mize\ (l[-e]*j[i^]t"[i^]*m[imac]z), v. t. [imp. & p. p. Legitimized (-m[imac]zd); p. pr. & vb. n. Legitimizing.] To legitimate.
Wiktionary
vb. (en-past of: legitimize)
Usage examples of "legitimized".
He announced that he was now a true Robertson and no longer a bastard, the Scottish court, under obdurate pressure from MacPherson, having legitimized him the afternoon before in Edinburgh.
Billy had done nothing but whine since they had rescued him from the keepers and legitimized his presence at the Voice in the Wilderness by promising to be responsible for his upkeep.
The practical results of the city's economy that legitimized the seizure and ownership of people were all around them.
Once Reverend Mother had legitimized me, there was no one to oppose her.