legitimate

[1]	legalize , legalise , decriminalize , decriminalise , legitimize , legitimise , legitimatize , legitimatise
[2]	legitimize , legitimatize , legalize , authorize , sanction , warrant , validate , certify

adj.

[1]	valid , proper , right , rightful , authorized , legal , genuine , real , true , authentic
[2]	lawful , licit , legal , by law , de jure , statutory
[3]	commonsensical , sensible , reasonable , proper , correct , acceptable , valid , logical , justifiable , just , fair
[4]	logical
[5]	lawful , licit