legitimacy
US
UK legitimacy n: (rightfulness, legality)
SC 合法性 hé fǎ xìng
SC 合理性 hé fǎ xìng，hé lǐ xìng
SC 正统性 hé fǎ xìng，zhèng tǒng xìng
The other heirs are questioning the legitimacy of their claim.
legitimacy n: (credibility, authenticity)
SC 可信性 kě xìn xìng
SC 确实性 kě xìn xìng，què shí xìng
Their statements had no legitimacy till the report was published.