Legit = Legitimate = Legitimacy
Quote:
1: being exactly as purposed : neither spurious nor false <a legitimate grievance> <a legitimate practitioner>
2 a: accordant with law or with established legal forms and requirements <a legitimate government> b: ruling by or based on the strict principle of hereditary right <a legitimate king>
3: conforming to recognized principles or accepted rules and standards <a legitimate advertising expenditure> <a legitimate inference>
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1. according to law; lawful: the property's legitimate owner.
2. in accordance with established rules, principles, or standards.
3. born in wedlock or of legally married parents: legitimate children.
4. in accordance with the laws of reasoning; logically inferable; logical: a legitimate conclusion.
Same thing different sources.