This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The property of being hereditary.

n. The state or quality of being hereditary, or of being transmissible from parent to child.

"Here, as elsewhere in tracing hereditariness in so-called functional nervosities, one should take as the unit character for study the mental traits or trends and exclude definite disease entities applied to ancestral disorders."

heritability