lawful به انگلیسی
From Longman Dictionary
law‧ful /ˈlɔːfəl $ ˈlɒː-/ ●○○ adjective formal or law
allowed or recognized by law
Example
It is not lawful to kill or injure a pet animal
The police may not interfere in lawful demonstrations
The FBI will use all reasonable and lawful means to gather intelligence information
It is lawful to employ someone under the age of sixteen if their parents agree
The owner has the right to use the property for any lawful purpose