LEGITIMATE

[adjective] - allowable according to law, or reasonable and acceptableHe said that the restaurant bill was a legitimate business expense.The army must give power back to the legitimate government.This is a legitimate question (= I have a right to ask it).A legitimate child/daughter/son is one whose parents are legally married at the time of his or her birth.Since she was his legitimate daughter, she would inherit a share of his fortune when he died.