suitability

CIDE DICTIONARY

suitability, n. 

 The quality or state of being suitable; suitableness.  [1913 Webster]

THESAURUS

suitability

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