legitimate
🇺🇸
/lɪˈdʒɪtɪmət/
🇬🇧
/lɪˈdʒɪtɪmət/
fair and reasonable
The customer had a legitimate reason for returning the product.
legal and allowed by law
The police checked if his business was legitimate.
born to married parents
The child was considered legitimate because his parents were married.