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

• Lexulous
• Wordscraper
• Wordosaur

n. The state or condition of being masculine.

n. The quality or state of being masculine; manlikeness in qualities or character.

"She did not remember the lout, nor the imprisoned soul, nor the man who had stared at her in all masculineness and delighted and frightened her."

masculinity