Meaning of “legitimate” - Learner’s Dictionary

legitimate

adjective uk us /lɪˈdʒɪtəmət/
LEGAL

allowed by law:

Sales of illegal CDs now exceed those of legitimate recordings.
→ Opposite illegitimate
CAN BE UNDERSTOOD

A legitimate complaint or fear can be understood or believed:

People have expressed legitimate fears about the spread of the disease.
legitimately adverb

He insisted the money had been earned legitimately (= legally).

(Definition of “legitimate” from the Cambridge Learner’s Dictionary © Cambridge University Press)