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

ability acceptability admissibility advantage advantageousness advisability applicability appositeness appropriateness aptitude aptness auspiciousness becomingness beneficialness capability chargedness civility competence competency condition convenience correctitude correctness criticality crucialness decencies decency decorousness decorum desirability eligibility eligible expedience expediency favorableness feasibility felicitousness felicity fitness fittedness fittingness fruitfulness genteelness gentility goodness happiness loadedness mastery maturity meetness niceness normality normativeness opportuneness percentage politicness pregnancy preparedness proficiency profit profitability properness propitiousness proprieties propriety prudence qualification readiness relevance righteousness rightness ripeness seasonableness seasoning seemliness suitableness suitedness tempering timeliness trim urbanity usefulness wisdom worthiness worthwhileness