Fitness(n.) The state or quality of being fit; as, the fitness of measures or laws; a person's fitness for office.
Thesaurus Entries
Hygeia, ability, ableness, acceptability, account, adequacy, admissibility, advantage, advantageousness, advisability, applicability, appositeness, appropriateness, aptitude, aptness, auspiciousness, becomingness, beneficialness, bloom, caliber, capability, capableness, capacity, chargedness, civility, competence, competency, condition, convenience, correctitude, correctness, criticality, crucialness, decencies, decency, decorousness, decorum, desirability, efficacy, efficiency, eligibility, eligible, emotional health, expedience, expediency, facility, faculty, favorableness, feasibility, felicitousness, felicity, fettle, fine fettle, fittedness, fittingness, flair, flush, fruitfulness, genius, genteelness, gentility, glow, good shape, goodness, happiness, harmony, health, healthiness, kilter, loadedness, mastery, maturity, meetness, mental health, niceness, normality, normativeness, opportuneness, order, percentage, pertinence, physical condition, physical fitness, politicness, pregnancy, preparedness, proficiency, profit, profitability, properness, propitiousness, proprieties, propriety, prudence, qualification, readiness, relevance, repair, righteousness, rightness, ripeness, rosiness, salubriousness, salubrity, seasonableness, seasoning, seemliness, service, serviceability, shape, sufficiency, suitability, suitableness, suitedness, susceptibility, talent, tempering, the goods, the stuff, timeliness, tone, trim, urbanity, use, usefulness, utility, vigor, well-being, what it takes, wholesomeness, wisdom, worthiness, worthwhileness