1. conforming to the law or to rules; legal
2. reasonable and acceptable; justified
3. born to parents who are married to each other

1. to make something legitimate or acceptable

Examples

• The company operates as a legitimate business with proper licenses.
• She raised legitimate concerns about the safety of the building.
• His anger was legitimate given the circumstances.
• The court ruled that the contract was legitimate and binding.
• The new law will legitimate certain medical practices.
• They worked to legitimate their organization’s status.
• Is this a legitimate reason to miss work?