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

• Lexulous
• Wordscraper
• Wordosaur

n. The quality of being suitable.

n. The quality or state of being suitable; suitableness.

n. The character of being suitable; suitableness.

n. the quality of having the properties that are right for a specific purpose

"What we do have is standards that the Legal Counsel's Office has that maintains what we call the suitability determination."

quality   

suitable    suit   

fittingness    appropriateness    convenience    fitness   

suitableness   

accessibility    advisability    availability    believability    collectibility    comparability    convertibility    credibility    culpability    deniability   

applicability    adequacy    congruity    acceptability    appropriateness    feasibility    responsiveness    eligibility    fitness    timeliness