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

• Lexulous
• Wordscraper
• Wordosaur

n. Use of or reliance on volunteers, especially to perform social or educational work in communities.

n. The reliance on volunteers to perform an important social or educational function.

n. The tendency to volunteer, the activity of volunteering.

"But talking about the volunteerism is an interesting point that I would like to touch on for a moment in the fact that I would ask all of your listeners, whether they have a child in school or not, to be willing to give their local school three hours during the entire school year."

voluntary   

volunteered    volunteering    volunteerism    volunteers   

inform    military man    military personnel    serviceman    man   

volunteer growth    volunteer crop   

voluntarism    voluntarist    voluntary    volitional    volition   

volunteered    volunteering   

voluntary    offer   

Bombardier    Chevalier    Clear    Deere    Fear   

militia    infantry    civilian    recruit    veteran