noun
1. lawfulness by virtue of being authorized or in accordance with law (Freq. 1)
• Ant: ↑illegitimacy
• Derivationally related forms: ↑legitimate
• Hypernyms: ↑lawfulness
2. undisputed credibility
• Syn: ↑authenticity, ↑genuineness
• Derivationally related forms: ↑genuine (for: ↑genuineness), ↑authentic (for: ↑authenticity)
• Hypernyms: ↑credibility, ↑credibleness, ↑believability
• Hyponyms: ↑real McCoy, ↑real thing, ↑real stuff
Useful english dictionary. 2012.