Synonym of LEGITIMATE

Answer: Option A

Rightful : having a legitimate right to property, position, or status.
Valid : (of an argument or point) having a sound basis in logic or fact; reasonable or cogent.
Illicit : forbidden by law, rules, or custom.
Correct : free from error; in accordance with fact or truth.
Legitimate : conforming to the law or to rules.

Synonym of Legitimate is Rightful