This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The characteristic of being true.

n. The quality of being true; reality; genuineness; faithfulness; sincerity; exactness; truth.

n. The character of being true: truth; faithfulness: sincerity; reality; genuineness; exactness; accuracy.

n. the quality of being loyal

n. conformity to reality or actuality

n. exactness of adjustment

"It's often said that a pound of muscle is harder than a pound of fat, but the trueness is a pound is a pound."

actuality    exactness    exactitude   

constancy    accuracy    correctness    sincerity    actuality    truthfulness    truthness    verity    truth   

reality    genuineness    faithfulness    sincerity    exactness    truth   

yellowness    muskiness    level-headedness    abstinent    allocution    banalities    viz    anti-communism    semicolon    completions