This is the 3386th most frequent Arabic word.
قانونية
Legal.
Here, 'قانونية' is used as an adjective meaning 'legal', describing the type of scrutiny needed for the case.
القضية تحتاج إلى دراسة قانونية دقيقة.
The case requires precise legal scrutiny.
In this sentence, 'قانونية' (as 'قانونيًا') is used as an adjective indicating compliance with law regarding the contract.
يجب أن يكون العقد بين الطرفين قانونيًا.
The contract between the two parties must be legal.
Here, 'قانونية' is used to describe methods or approaches that are legal or abide by the law.